CC: [email protected] CC: [email protected] BCC: [email protected] CC: [email protected] TO: Mauro Carvalho Chehab <[email protected]> CC: [email protected]
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 22da5264abf497a10a4ed629f07f4ba28a7ed5eb commit: 43ecec16c4face9a59e81771e7cbff4671c62117 media: platform: rename s5p-mfc/ to samsung/s5p-mfc/ date: 5 weeks ago :::::: branch date: 7 hours ago :::::: commit date: 5 weeks ago config: arm-randconfig-c002-20220418 (https://download.01.org/0day-ci/archive/20220424/[email protected]/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project b27430f9f46b88bcd54d992debc8d72e131e1bd0) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install arm cross compiling tool for clang build # apt-get install binutils-arm-linux-gnueabi # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=43ecec16c4face9a59e81771e7cbff4671c62117 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 43ecec16c4face9a59e81771e7cbff4671c62117 # save the config file COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm clang-analyzer If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <[email protected]> clang-analyzer warnings: (new ones prefixed by >>) drivers/base/swnode.c:1110:29: note: Access to field 'managed' results in a dereference of a null pointer to_swnode(fwnode)->managed = true; ^ Suppressed 9 warnings (9 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 11 warnings generated. drivers/rtc/interface.c:810:8: warning: Passed-by-value struct argument contains uninitialized data (e.g., field: 'tm_sec') [clang-analyzer-core.CallAndMessage] now = rtc_tm_to_ktime(tm); ^ drivers/rtc/interface.c:995:6: note: Assuming field 'enabled' is 0 if (timer->enabled) ^~~~~~~~~~~~~~ drivers/rtc/interface.c:995:2: note: Taking false branch if (timer->enabled) ^ drivers/rtc/interface.c:1001:8: note: Calling 'rtc_timer_enqueue' ret = rtc_timer_enqueue(rtc, timer); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/rtc/interface.c:805:2: note: 'tm' initialized here struct rtc_time tm; ^~~~~~~~~~~~~~~~~~ drivers/rtc/interface.c:810:8: note: Passed-by-value struct argument contains uninitialized data (e.g., field: 'tm_sec') now = rtc_tm_to_ktime(tm); ^ ~~ drivers/rtc/interface.c:910:8: warning: Passed-by-value struct argument contains uninitialized data (e.g., field: 'tm_sec') [clang-analyzer-core.CallAndMessage] now = rtc_tm_to_ktime(tm); ^ ~~ drivers/rtc/interface.c:902:2: note: 'tm' initialized here struct rtc_time tm; ^~~~~~~~~~~~~~~~~~ drivers/rtc/interface.c:910:8: note: Passed-by-value struct argument contains uninitialized data (e.g., field: 'tm_sec') now = rtc_tm_to_ktime(tm); ^ ~~ Suppressed 9 warnings (9 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 9 warnings generated. Suppressed 9 warnings (9 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 10 warnings generated. drivers/rtc/rtc-mc146818-lib.c:243:3: warning: Value stored to 'century' is never read [clang-analyzer-deadcode.DeadStores] century = bin2bcd(century); ^ drivers/rtc/rtc-mc146818-lib.c:243:3: note: Value stored to 'century' is never read Suppressed 9 warnings (9 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 9 warnings generated. Suppressed 9 warnings (9 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 9 warnings generated. Suppressed 9 warnings (9 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 9 warnings generated. Suppressed 9 warnings (9 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 9 warnings generated. Suppressed 9 warnings (9 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 9 warnings generated. Suppressed 9 warnings (9 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 9 warnings generated. Suppressed 9 warnings (9 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 9 warnings generated. Suppressed 9 warnings (9 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 9 warnings generated. Suppressed 9 warnings (9 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 8 warnings generated. Suppressed 8 warnings (8 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 8 warnings generated. Suppressed 8 warnings (8 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 8 warnings generated. Suppressed 8 warnings (8 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 8 warnings generated. Suppressed 8 warnings (8 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 8 warnings generated. Suppressed 8 warnings (8 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 10 warnings generated. Suppressed 10 warnings (9 in non-user code, 1 with check filters). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 10 warnings generated. kernel/auditfilter.c:538:5: warning: Value stored to 'err' is never read [clang-analyzer-deadcode.DeadStores] err = 0; ^ ~ kernel/auditfilter.c:538:5: note: Value stored to 'err' is never read err = 0; ^ ~ Suppressed 9 warnings (9 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 3 warnings generated. Suppressed 3 warnings (3 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 11 warnings generated. >> drivers/media/platform/samsung/s5p-mfc/s5p_mfc_enc.c:1516:4: warning: Value >> stored to 'ret' is never read [clang-analyzer-deadcode.DeadStores] ret = vb2_reqbufs(&ctx->vq_dst, reqbufs); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/media/platform/samsung/s5p-mfc/s5p_mfc_enc.c:1516:4: note: Value stored to 'ret' is never read ret = vb2_reqbufs(&ctx->vq_dst, reqbufs); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Suppressed 10 warnings (9 in non-user code, 1 with check filters). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 10 warnings generated. Suppressed 10 warnings (9 in non-user code, 1 with check filters). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 10 warnings generated. Suppressed 10 warnings (9 in non-user code, 1 with check filters). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 10 warnings generated. Suppressed 10 warnings (9 in non-user code, 1 with check filters). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 12 warnings generated. drivers/base/dd.c:689:2: warning: Value stored to 'calltime' is never read [clang-analyzer-deadcode.DeadStores] calltime = ktime_get(); ^ ~~~~~~~~~~~ drivers/base/dd.c:689:2: note: Value stored to 'calltime' is never read calltime = ktime_get(); ^ ~~~~~~~~~~~ drivers/base/dd.c:691:2: warning: Value stored to 'rettime' is never read [clang-analyzer-deadcode.DeadStores] rettime = ktime_get(); ^ ~~~~~~~~~~~ drivers/base/dd.c:691:2: note: Value stored to 'rettime' is never read rettime = ktime_get(); ^ ~~~~~~~~~~~ drivers/base/dd.c:1085:2: warning: Value stored to 'ret' is never read [clang-analyzer-deadcode.DeadStores] ret = driver_probe_device(drv, dev); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/base/dd.c:1085:2: note: Value stored to 'ret' is never read ret = driver_probe_device(drv, dev); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Suppressed 9 warnings (9 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 9 warnings generated. Suppressed 9 warnings (9 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 9 warnings generated. Suppressed 9 warnings (9 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 9 warnings generated. Suppressed 9 warnings (9 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 10 warnings generated. drivers/base/platform.c:578:3: warning: Call to function 'strcpy' is insecure as it does not provide bounding of the memory buffer. Replace unbounded copy functions with analogous functions that support length arguments such as 'strlcpy'. CWE-119 [clang-analyzer-security.insecureAPI.strcpy] strcpy(pa->name, name); ^~~~~~ drivers/base/platform.c:578:3: note: Call to function 'strcpy' is insecure as it does not provide bounding of the memory buffer. Replace unbounded copy functions with analogous functions that support length arguments such as 'strlcpy'. CWE-119 strcpy(pa->name, name); ^~~~~~ Suppressed 9 warnings (9 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 10 warnings generated. Suppressed 10 warnings (10 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 3 warnings generated. Suppressed 3 warnings (3 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 3 warnings generated. Suppressed 3 warnings (3 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 9 warnings generated. Suppressed 9 warnings (9 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 9 warnings generated. Suppressed 9 warnings (9 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 9 warnings generated. Suppressed 9 warnings (9 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 9 warnings generated. Suppressed 9 warnings (9 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 9 warnings generated. Suppressed 9 warnings (9 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 9 warnings generated. Suppressed 9 warnings (9 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 9 warnings generated. Suppressed 9 warnings (9 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 9 warnings generated. Suppressed 9 warnings (9 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 11 warnings generated. fs/pipe.c:490:24: warning: Value stored to 'buf' during its initialization is never read [clang-analyzer-deadcode.DeadStores] struct pipe_buffer *buf = &pipe->bufs[head & mask]; ^~~ ~~~~~~~~~~~~~~~~~~~~~~~~ fs/pipe.c:490:24: note: Value stored to 'buf' during its initialization is never read struct pipe_buffer *buf = &pipe->bufs[head & mask]; ^~~ ~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/log2.h:57:13: warning: The result of the left shift is undefined due to shifting by '32', which is greater or equal to the width of type 'unsigned long' [clang-analyzer-core.UndefinedBinaryOperatorResult] return 1UL << fls_long(n - 1); ^ fs/pipe.c:1383:7: note: 'pipe' is non-null if (!pipe) -- Suppressed 9 warnings (9 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 9 warnings generated. Suppressed 9 warnings (9 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 8 warnings generated. Suppressed 8 warnings (8 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 8 warnings generated. Suppressed 8 warnings (8 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 9 warnings generated. Suppressed 9 warnings (9 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 10 warnings generated. Suppressed 10 warnings (10 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 10 warnings generated. Suppressed 10 warnings (10 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 10 warnings generated. Suppressed 10 warnings (10 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 10 warnings generated. Suppressed 10 warnings (10 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 10 warnings generated. Suppressed 10 warnings (10 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 10 warnings generated. Suppressed 10 warnings (10 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 9 warnings generated. Suppressed 9 warnings (9 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 9 warnings generated. Suppressed 9 warnings (9 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 11 warnings generated. crypto/pcbc.c:74:10: warning: Although the value stored to 'nbytes' is used in the enclosing expression, the value is never actually read from 'nbytes' [clang-analyzer-deadcode.DeadStores] while ((nbytes = walk.nbytes)) { ^ ~~~~~~~~~~~ crypto/pcbc.c:74:10: note: Although the value stored to 'nbytes' is used in the enclosing expression, the value is never actually read from 'nbytes' while ((nbytes = walk.nbytes)) { ^ ~~~~~~~~~~~ crypto/pcbc.c:141:10: warning: Although the value stored to 'nbytes' is used in the enclosing expression, the value is never actually read from 'nbytes' [clang-analyzer-deadcode.DeadStores] while ((nbytes = walk.nbytes)) { ^ ~~~~~~~~~~~ crypto/pcbc.c:141:10: note: Although the value stored to 'nbytes' is used in the enclosing expression, the value is never actually read from 'nbytes' while ((nbytes = walk.nbytes)) { ^ ~~~~~~~~~~~ Suppressed 9 warnings (9 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 10 warnings generated. Suppressed 10 warnings (9 in non-user code, 1 with check filters). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 10 warnings generated. Suppressed 10 warnings (9 in non-user code, 1 with check filters). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 12 warnings generated. drivers/media/dvb-frontends/drxd_hard.c:858:9: warning: The left expression of the compound assignment is an uninitialized value. The computed value will also be garbage [clang-analyzer-core.uninitialized.Assign] Value &= FE_AG_REG_GC1_AGC_DAT__M; ^ drivers/media/dvb-frontends/drxd_hard.c:2761:8: note: Calling 'ReadIFAgc' res = ReadIFAgc(state, &value); ^~~~~~~~~~~~~~~~~~~~~~~~ drivers/media/dvb-frontends/drxd_hard.c:855:6: note: Assuming field 'ctrlMode' is not equal to AGC_CTRL_OFF if (state->if_agc_cfg.ctrlMode != AGC_CTRL_OFF) { ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/media/dvb-frontends/drxd_hard.c:855:2: note: Taking true branch if (state->if_agc_cfg.ctrlMode != AGC_CTRL_OFF) { ^ drivers/media/dvb-frontends/drxd_hard.c:856:3: note: 'Value' declared without an initial value u16 Value; ^~~~~~~~~ drivers/media/dvb-frontends/drxd_hard.c:857:12: note: Calling 'Read16' status = Read16(state, FE_AG_REG_GC1_AGC_DAT__A, &Value, 0); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/media/dvb-frontends/drxd_hard.c:232:2: note: Taking true branch if (i2c_read(state->i2c, adr, mm1, 4, mm2, 2) < 0) ^ drivers/media/dvb-frontends/drxd_hard.c:233:3: note: Returning without writing to '*data' return -1; ^ drivers/media/dvb-frontends/drxd_hard.c:857:12: note: Returning from 'Read16' status = Read16(state, FE_AG_REG_GC1_AGC_DAT__A, &Value, 0); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/media/dvb-frontends/drxd_hard.c:858:9: note: The left expression of the compound assignment is an uninitialized value. The computed value will also be garbage Value &= FE_AG_REG_GC1_AGC_DAT__M; ~~~~~ ^ drivers/media/dvb-frontends/drxd_hard.c:2259:4: warning: Value stored to 'operationMode' is never read [clang-analyzer-deadcode.DeadStores] operationMode |= SC_RA_RAM_OP_AUTO_RATE__M; ^ drivers/media/dvb-frontends/drxd_hard.c:2259:4: note: Value stored to 'operationMode' is never read Suppressed 10 warnings (9 in non-user code, 1 with check filters). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 9 warnings generated. Suppressed 9 warnings (9 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 14 warnings generated. >> drivers/media/platform/samsung/s5p-mfc/s5p_mfc_opr_v5.c:600:3: warning: >> Value stored to 'buf_addr2' is never read >> [clang-analyzer-deadcode.DeadStores] buf_addr2 += S5P_FIMV_ENC_INTRAPRED_SIZE; ^ drivers/media/platform/samsung/s5p-mfc/s5p_mfc_opr_v5.c:600:3: note: Value stored to 'buf_addr2' is never read >> drivers/media/platform/samsung/s5p-mfc/s5p_mfc_opr_v5.c:604:3: warning: >> Value stored to 'buf_addr1' is never read >> [clang-analyzer-deadcode.DeadStores] buf_addr1 += S5P_FIMV_ENC_NBORINFO_SIZE; ^ drivers/media/platform/samsung/s5p-mfc/s5p_mfc_opr_v5.c:604:3: note: Value stored to 'buf_addr1' is never read drivers/media/platform/samsung/s5p-mfc/s5p_mfc_opr_v5.c:635:3: warning: Value stored to 'buf_addr1' is never read [clang-analyzer-deadcode.DeadStores] buf_addr1 += S5P_FIMV_ENC_ACDCCOEF_SIZE; ^ drivers/media/platform/samsung/s5p-mfc/s5p_mfc_opr_v5.c:635:3: note: Value stored to 'buf_addr1' is never read drivers/media/platform/samsung/s5p-mfc/s5p_mfc_opr_v5.c:661:3: warning: Value stored to 'buf_addr1' is never read [clang-analyzer-deadcode.DeadStores] buf_addr1 += S5P_FIMV_ENC_ACDCCOEF_SIZE; ^ drivers/media/platform/samsung/s5p-mfc/s5p_mfc_opr_v5.c:661:3: note: Value stored to 'buf_addr1' is never read Suppressed 10 warnings (9 in non-user code, 1 with check filters). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 10 warnings generated. Suppressed 10 warnings (9 in non-user code, 1 with check filters). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 10 warnings generated. Suppressed 10 warnings (9 in non-user code, 1 with check filters). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 10 warnings generated. Suppressed 10 warnings (9 in non-user code, 1 with check filters). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 10 warnings generated. Suppressed 10 warnings (9 in non-user code, 1 with check filters). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 14 warnings generated. drivers/char/tpm/eventlog/tpm1.c:276:2: warning: Value stored to 'len' is never read [clang-analyzer-deadcode.DeadStores] len += get_event_name(eventname, event, event_entry); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/char/tpm/eventlog/tpm1.c:276:2: note: Value stored to 'len' is never read len += get_event_name(eventname, event, event_entry); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Suppressed 13 warnings (10 in non-user code, 3 with check filters). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 12 warnings generated. Suppressed 12 warnings (10 in non-user code, 2 with check filters). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 10 warnings generated. drivers/leds/led-triggers.c:279:2: warning: Call to function 'strcpy' is insecure as it does not provide bounding of the memory buffer. Replace unbounded copy functions with analogous functions that support length arguments such as 'strlcpy'. CWE-119 [clang-analyzer-security.insecureAPI.strcpy] strcpy((char *)trig->name, name); ^~~~~~ drivers/leds/led-triggers.c:279:2: note: Call to function 'strcpy' is insecure as it does not provide bounding of the memory buffer. Replace unbounded copy functions with analogous functions that support length arguments such as 'strlcpy'. CWE-119 strcpy((char *)trig->name, name); ^~~~~~ Suppressed 9 warnings (9 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 3 warnings generated. Suppressed 3 warnings (3 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 3 warnings generated. Suppressed 3 warnings (3 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 9 warnings generated. Suppressed 9 warnings (9 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 9 warnings generated. Suppressed 9 warnings (9 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 3 warnings generated. Suppressed 3 warnings (3 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 9 warnings generated. Suppressed 9 warnings (9 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 9 warnings generated. Suppressed 9 warnings (9 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 9 warnings generated. Suppressed 9 warnings (9 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 9 warnings generated. Suppressed 9 warnings (9 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 10 warnings generated. drivers/phy/marvell/phy-mmp3-usb.c:143:16: warning: Value stored to 'base' during its initialization is never read [clang-analyzer-deadcode.DeadStores] void __iomem *base = mmp3_usb_phy->base; ^~~~ ~~~~~~~~~~~~~~~~~~ drivers/phy/marvell/phy-mmp3-usb.c:143:16: note: Value stored to 'base' during its initialization is never read void __iomem *base = mmp3_usb_phy->base; ^~~~ ~~~~~~~~~~~~~~~~~~ Suppressed 9 warnings (9 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 9 warnings generated. Suppressed 9 warnings (9 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 9 warnings generated. Suppressed 9 warnings (9 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 9 warnings generated. Suppressed 9 warnings (9 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 9 warnings generated. Suppressed 9 warnings (9 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 9 warnings generated. Suppressed 9 warnings (9 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 3 warnings generated. Suppressed 3 warnings (3 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. vim +/ret +1516 drivers/media/platform/samsung/s5p-mfc/s5p_mfc_enc.c af935746781088 drivers/media/video/s5p-mfc/s5p_mfc_enc.c Kamil Debski 2011-06-21 1478 af935746781088 drivers/media/video/s5p-mfc/s5p_mfc_enc.c Kamil Debski 2011-06-21 1479 static int vidioc_reqbufs(struct file *file, void *priv, af935746781088 drivers/media/video/s5p-mfc/s5p_mfc_enc.c Kamil Debski 2011-06-21 1480 struct v4l2_requestbuffers *reqbufs) af935746781088 drivers/media/video/s5p-mfc/s5p_mfc_enc.c Kamil Debski 2011-06-21 1481 { f96f3cfa0bb8f7 drivers/media/platform/s5p-mfc/s5p_mfc_enc.c Jeongtae Park 2012-10-03 1482 struct s5p_mfc_dev *dev = video_drvdata(file); af935746781088 drivers/media/video/s5p-mfc/s5p_mfc_enc.c Kamil Debski 2011-06-21 1483 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); af935746781088 drivers/media/video/s5p-mfc/s5p_mfc_enc.c Kamil Debski 2011-06-21 1484 int ret = 0; af935746781088 drivers/media/video/s5p-mfc/s5p_mfc_enc.c Kamil Debski 2011-06-21 1485 af935746781088 drivers/media/video/s5p-mfc/s5p_mfc_enc.c Kamil Debski 2011-06-21 1486 /* if memory is not mmp or userptr return error */ af935746781088 drivers/media/video/s5p-mfc/s5p_mfc_enc.c Kamil Debski 2011-06-21 1487 if ((reqbufs->memory != V4L2_MEMORY_MMAP) && af935746781088 drivers/media/video/s5p-mfc/s5p_mfc_enc.c Kamil Debski 2011-06-21 1488 (reqbufs->memory != V4L2_MEMORY_USERPTR)) af935746781088 drivers/media/video/s5p-mfc/s5p_mfc_enc.c Kamil Debski 2011-06-21 1489 return -EINVAL; af935746781088 drivers/media/video/s5p-mfc/s5p_mfc_enc.c Kamil Debski 2011-06-21 1490 if (reqbufs->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 53c51492d6e800 drivers/media/platform/s5p-mfc/s5p_mfc_enc.c Pawel Osciak 2014-10-21 1491 if (reqbufs->count == 0) { bcbf298669a88b drivers/media/platform/s5p-mfc/s5p_mfc_enc.c ayaka 2016-05-07 1492 mfc_debug(2, "Freeing buffers\n"); 53c51492d6e800 drivers/media/platform/s5p-mfc/s5p_mfc_enc.c Pawel Osciak 2014-10-21 1493 ret = vb2_reqbufs(&ctx->vq_dst, reqbufs); bcbf298669a88b drivers/media/platform/s5p-mfc/s5p_mfc_enc.c ayaka 2016-05-07 1494 s5p_mfc_hw_call(dev->mfc_ops, release_codec_buffers, bcbf298669a88b drivers/media/platform/s5p-mfc/s5p_mfc_enc.c ayaka 2016-05-07 1495 ctx); 53c51492d6e800 drivers/media/platform/s5p-mfc/s5p_mfc_enc.c Pawel Osciak 2014-10-21 1496 ctx->capture_state = QUEUE_FREE; 53c51492d6e800 drivers/media/platform/s5p-mfc/s5p_mfc_enc.c Pawel Osciak 2014-10-21 1497 return ret; 53c51492d6e800 drivers/media/platform/s5p-mfc/s5p_mfc_enc.c Pawel Osciak 2014-10-21 1498 } af935746781088 drivers/media/video/s5p-mfc/s5p_mfc_enc.c Kamil Debski 2011-06-21 1499 if (ctx->capture_state != QUEUE_FREE) { af935746781088 drivers/media/video/s5p-mfc/s5p_mfc_enc.c Kamil Debski 2011-06-21 1500 mfc_err("invalid capture state: %d\n", af935746781088 drivers/media/video/s5p-mfc/s5p_mfc_enc.c Kamil Debski 2011-06-21 1501 ctx->capture_state); af935746781088 drivers/media/video/s5p-mfc/s5p_mfc_enc.c Kamil Debski 2011-06-21 1502 return -EINVAL; af935746781088 drivers/media/video/s5p-mfc/s5p_mfc_enc.c Kamil Debski 2011-06-21 1503 } af935746781088 drivers/media/video/s5p-mfc/s5p_mfc_enc.c Kamil Debski 2011-06-21 1504 ret = vb2_reqbufs(&ctx->vq_dst, reqbufs); af935746781088 drivers/media/video/s5p-mfc/s5p_mfc_enc.c Kamil Debski 2011-06-21 1505 if (ret != 0) { af935746781088 drivers/media/video/s5p-mfc/s5p_mfc_enc.c Kamil Debski 2011-06-21 1506 mfc_err("error in vb2_reqbufs() for E(D)\n"); af935746781088 drivers/media/video/s5p-mfc/s5p_mfc_enc.c Kamil Debski 2011-06-21 1507 return ret; af935746781088 drivers/media/video/s5p-mfc/s5p_mfc_enc.c Kamil Debski 2011-06-21 1508 } af935746781088 drivers/media/video/s5p-mfc/s5p_mfc_enc.c Kamil Debski 2011-06-21 1509 ctx->capture_state = QUEUE_BUFS_REQUESTED; f96f3cfa0bb8f7 drivers/media/platform/s5p-mfc/s5p_mfc_enc.c Jeongtae Park 2012-10-03 1510 f96f3cfa0bb8f7 drivers/media/platform/s5p-mfc/s5p_mfc_enc.c Jeongtae Park 2012-10-03 1511 ret = s5p_mfc_hw_call(ctx->dev->mfc_ops, f96f3cfa0bb8f7 drivers/media/platform/s5p-mfc/s5p_mfc_enc.c Jeongtae Park 2012-10-03 1512 alloc_codec_buffers, ctx); af935746781088 drivers/media/video/s5p-mfc/s5p_mfc_enc.c Kamil Debski 2011-06-21 1513 if (ret) { af935746781088 drivers/media/video/s5p-mfc/s5p_mfc_enc.c Kamil Debski 2011-06-21 1514 mfc_err("Failed to allocate encoding buffers\n"); af935746781088 drivers/media/video/s5p-mfc/s5p_mfc_enc.c Kamil Debski 2011-06-21 1515 reqbufs->count = 0; af935746781088 drivers/media/video/s5p-mfc/s5p_mfc_enc.c Kamil Debski 2011-06-21 @1516 ret = vb2_reqbufs(&ctx->vq_dst, reqbufs); af935746781088 drivers/media/video/s5p-mfc/s5p_mfc_enc.c Kamil Debski 2011-06-21 1517 return -ENOMEM; af935746781088 drivers/media/video/s5p-mfc/s5p_mfc_enc.c Kamil Debski 2011-06-21 1518 } af935746781088 drivers/media/video/s5p-mfc/s5p_mfc_enc.c Kamil Debski 2011-06-21 1519 } else if (reqbufs->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 53c51492d6e800 drivers/media/platform/s5p-mfc/s5p_mfc_enc.c Pawel Osciak 2014-10-21 1520 if (reqbufs->count == 0) { 53c51492d6e800 drivers/media/platform/s5p-mfc/s5p_mfc_enc.c Pawel Osciak 2014-10-21 1521 mfc_debug(2, "Freeing buffers\n"); 53c51492d6e800 drivers/media/platform/s5p-mfc/s5p_mfc_enc.c Pawel Osciak 2014-10-21 1522 ret = vb2_reqbufs(&ctx->vq_src, reqbufs); fdd1d4b0a08d6d drivers/media/platform/s5p-mfc/s5p_mfc_enc.c Andrzej Hajda 2015-12-02 1523 s5p_mfc_hw_call(dev->mfc_ops, release_codec_buffers, 53c51492d6e800 drivers/media/platform/s5p-mfc/s5p_mfc_enc.c Pawel Osciak 2014-10-21 1524 ctx); 53c51492d6e800 drivers/media/platform/s5p-mfc/s5p_mfc_enc.c Pawel Osciak 2014-10-21 1525 ctx->output_state = QUEUE_FREE; 53c51492d6e800 drivers/media/platform/s5p-mfc/s5p_mfc_enc.c Pawel Osciak 2014-10-21 1526 return ret; 53c51492d6e800 drivers/media/platform/s5p-mfc/s5p_mfc_enc.c Pawel Osciak 2014-10-21 1527 } af935746781088 drivers/media/video/s5p-mfc/s5p_mfc_enc.c Kamil Debski 2011-06-21 1528 if (ctx->output_state != QUEUE_FREE) { af935746781088 drivers/media/video/s5p-mfc/s5p_mfc_enc.c Kamil Debski 2011-06-21 1529 mfc_err("invalid output state: %d\n", af935746781088 drivers/media/video/s5p-mfc/s5p_mfc_enc.c Kamil Debski 2011-06-21 1530 ctx->output_state); af935746781088 drivers/media/video/s5p-mfc/s5p_mfc_enc.c Kamil Debski 2011-06-21 1531 return -EINVAL; af935746781088 drivers/media/video/s5p-mfc/s5p_mfc_enc.c Kamil Debski 2011-06-21 1532 } e9d98ddc0a4e4e drivers/media/platform/s5p-mfc/s5p_mfc_enc.c Arun Kumar K 2013-04-24 1533 722b979e555d00 drivers/media/platform/s5p-mfc/s5p_mfc_enc.c Arun Kumar K 2013-07-09 1534 if (IS_MFCV6_PLUS(dev)) { e9d98ddc0a4e4e drivers/media/platform/s5p-mfc/s5p_mfc_enc.c Arun Kumar K 2013-04-24 1535 /* Check for min encoder buffers */ e9d98ddc0a4e4e drivers/media/platform/s5p-mfc/s5p_mfc_enc.c Arun Kumar K 2013-04-24 1536 if (ctx->pb_count && e9d98ddc0a4e4e drivers/media/platform/s5p-mfc/s5p_mfc_enc.c Arun Kumar K 2013-04-24 1537 (reqbufs->count < ctx->pb_count)) { e9d98ddc0a4e4e drivers/media/platform/s5p-mfc/s5p_mfc_enc.c Arun Kumar K 2013-04-24 1538 reqbufs->count = ctx->pb_count; e9d98ddc0a4e4e drivers/media/platform/s5p-mfc/s5p_mfc_enc.c Arun Kumar K 2013-04-24 1539 mfc_debug(2, "Minimum %d output buffers needed\n", e9d98ddc0a4e4e drivers/media/platform/s5p-mfc/s5p_mfc_enc.c Arun Kumar K 2013-04-24 1540 ctx->pb_count); e9d98ddc0a4e4e drivers/media/platform/s5p-mfc/s5p_mfc_enc.c Arun Kumar K 2013-04-24 1541 } else { e9d98ddc0a4e4e drivers/media/platform/s5p-mfc/s5p_mfc_enc.c Arun Kumar K 2013-04-24 1542 ctx->pb_count = reqbufs->count; e9d98ddc0a4e4e drivers/media/platform/s5p-mfc/s5p_mfc_enc.c Arun Kumar K 2013-04-24 1543 } e9d98ddc0a4e4e drivers/media/platform/s5p-mfc/s5p_mfc_enc.c Arun Kumar K 2013-04-24 1544 } e9d98ddc0a4e4e drivers/media/platform/s5p-mfc/s5p_mfc_enc.c Arun Kumar K 2013-04-24 1545 af935746781088 drivers/media/video/s5p-mfc/s5p_mfc_enc.c Kamil Debski 2011-06-21 1546 ret = vb2_reqbufs(&ctx->vq_src, reqbufs); af935746781088 drivers/media/video/s5p-mfc/s5p_mfc_enc.c Kamil Debski 2011-06-21 1547 if (ret != 0) { af935746781088 drivers/media/video/s5p-mfc/s5p_mfc_enc.c Kamil Debski 2011-06-21 1548 mfc_err("error in vb2_reqbufs() for E(S)\n"); af935746781088 drivers/media/video/s5p-mfc/s5p_mfc_enc.c Kamil Debski 2011-06-21 1549 return ret; af935746781088 drivers/media/video/s5p-mfc/s5p_mfc_enc.c Kamil Debski 2011-06-21 1550 } af935746781088 drivers/media/video/s5p-mfc/s5p_mfc_enc.c Kamil Debski 2011-06-21 1551 ctx->output_state = QUEUE_BUFS_REQUESTED; af935746781088 drivers/media/video/s5p-mfc/s5p_mfc_enc.c Kamil Debski 2011-06-21 1552 } else { af935746781088 drivers/media/video/s5p-mfc/s5p_mfc_enc.c Kamil Debski 2011-06-21 1553 mfc_err("invalid buf type\n"); af935746781088 drivers/media/video/s5p-mfc/s5p_mfc_enc.c Kamil Debski 2011-06-21 1554 return -EINVAL; af935746781088 drivers/media/video/s5p-mfc/s5p_mfc_enc.c Kamil Debski 2011-06-21 1555 } af935746781088 drivers/media/video/s5p-mfc/s5p_mfc_enc.c Kamil Debski 2011-06-21 1556 return ret; af935746781088 drivers/media/video/s5p-mfc/s5p_mfc_enc.c Kamil Debski 2011-06-21 1557 } af935746781088 drivers/media/video/s5p-mfc/s5p_mfc_enc.c Kamil Debski 2011-06-21 1558 :::::: The code at line 1516 was first introduced by commit :::::: af935746781088f28904601469671d244d2f653b [media] MFC: Add MFC 5.1 V4L2 driver :::::: TO: Kamil Debski <[email protected]> :::::: CC: Mauro Carvalho Chehab <[email protected]> -- 0-DAY CI Kernel Test Service https://01.org/lkp _______________________________________________ kbuild mailing list -- [email protected] To unsubscribe send an email to [email protected]
