CC: [email protected] CC: [email protected] BCC: [email protected] CC: [email protected] TO: Mauro Carvalho Chehab <[email protected]> CC: [email protected]
tree: git://linuxtv.org/hverkuil/media_tree.git cec head: 8b429dac2d98bd585ff5af37042d1d9bb104a2eb commit: bfc08fd88e458b98c7c771e4eeb5df3fd4e42feb [382/417] media: platform: rename coda/ to chips-media/ :::::: branch date: 5 days ago :::::: commit date: 7 days ago config: riscv-randconfig-c006-20220317 (https://download.01.org/0day-ci/archive/20220322/[email protected]/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project a6ec1e3d798f8eab43fb3a91028c6ab04e115fcb) 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 riscv cross compiling tool for clang build # apt-get install binutils-riscv64-linux-gnu git remote add hverkuil-media-tree git://linuxtv.org/hverkuil/media_tree.git git fetch --no-tags hverkuil-media-tree cec git checkout bfc08fd88e458b98c7c771e4eeb5df3fd4e42feb # save the config file to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=riscv 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 >>) ^~~~~~~~~~~~~~~~~ include/asm-generic/bug.h:150:18: note: expanded from macro 'WARN_ONCE' DO_ONCE_LITE_IF(condition, WARN, 1, format) ^~~~~~~~~ include/linux/once_lite.h:15:27: note: expanded from macro 'DO_ONCE_LITE_IF' bool __ret_do_once = !!(condition); \ ^~~~~~~~~ net/core/dev.c:7574:2: note: '__ret_do_once' is false ASSERT_RTNL(); ^ include/linux/rtnetlink.h:110:2: note: expanded from macro 'ASSERT_RTNL' WARN_ONCE(!rtnl_is_locked(), \ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/asm-generic/bug.h:150:2: note: expanded from macro 'WARN_ONCE' DO_ONCE_LITE_IF(condition, WARN, 1, format) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/once_lite.h:17:16: note: expanded from macro 'DO_ONCE_LITE_IF' if (unlikely(__ret_do_once && !__already_done)) { \ ^~~~~~~~~~~~~ include/linux/compiler.h:78:42: note: expanded from macro 'unlikely' # define unlikely(x) __builtin_expect(!!(x), 0) ^ net/core/dev.c:7574:2: note: Left side of '&&' is false ASSERT_RTNL(); ^ include/linux/rtnetlink.h:110:2: note: expanded from macro 'ASSERT_RTNL' WARN_ONCE(!rtnl_is_locked(), \ ^ include/asm-generic/bug.h:150:2: note: expanded from macro 'WARN_ONCE' DO_ONCE_LITE_IF(condition, WARN, 1, format) ^ include/linux/once_lite.h:17:30: note: expanded from macro 'DO_ONCE_LITE_IF' if (unlikely(__ret_do_once && !__already_done)) { \ ^ net/core/dev.c:7574:2: note: Taking false branch ASSERT_RTNL(); ^ include/linux/rtnetlink.h:110:2: note: expanded from macro 'ASSERT_RTNL' WARN_ONCE(!rtnl_is_locked(), \ ^ include/asm-generic/bug.h:150:2: note: expanded from macro 'WARN_ONCE' DO_ONCE_LITE_IF(condition, WARN, 1, format) ^ include/linux/once_lite.h:17:3: note: expanded from macro 'DO_ONCE_LITE_IF' if (unlikely(__ret_do_once && !__already_done)) { \ ^ net/core/dev.c:7576:28: note: Assuming pointer value is null changeupper_info.master = netdev_master_upper_dev_get(dev) == upper_dev; ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ net/core/dev.c:7589:30: note: Passing null pointer value via 1st parameter 'dev' __netdev_update_lower_level(upper_dev, priv); ^~~~~~~~~ net/core/dev.c:7589:2: note: Calling '__netdev_update_lower_level' __netdev_update_lower_level(upper_dev, priv); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ net/core/dev.c:7151:19: note: Access to field 'lower_level' results in a dereference of a null pointer (loaded from variable 'dev') dev->lower_level = __netdev_lower_depth(dev) + 1; ~~~ ^ net/core/dev.c:10228:2: 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(dev->name, name); ^~~~~~ net/core/dev.c:10228:2: 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(dev->name, name); ^~~~~~ Suppressed 14 warnings (12 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. 7 warnings generated. Suppressed 7 warnings (7 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. 7 warnings generated. Suppressed 7 warnings (7 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. 7 warnings generated. Suppressed 7 warnings (7 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. 7 warnings generated. Suppressed 7 warnings (7 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. 7 warnings generated. Suppressed 7 warnings (7 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. 7 warnings generated. Suppressed 7 warnings (7 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. 6 warnings generated. Suppressed 6 warnings (6 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. 6 warnings generated. Suppressed 6 warnings (6 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. 6 warnings generated. Suppressed 6 warnings (6 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. 6 warnings generated. Suppressed 6 warnings (6 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. 6 warnings generated. Suppressed 6 warnings (6 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. >> drivers/media/platform/chips-media/coda-common.c:478:38: warning: Array >> access (from variable 'formats') results in a null pointer dereference >> [clang-analyzer-core.NullDereference] if (f->index >= CODA_MAX_FORMATS || formats[f->index] == 0) ^~~~~~~ drivers/media/platform/chips-media/coda-common.c:448:6: note: Assuming field 'type' is equal to V4L2_BUF_TYPE_VIDEO_OUTPUT if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/media/platform/chips-media/coda-common.c:448:2: note: Taking true branch if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) ^ drivers/media/platform/chips-media/coda-common.c:449:3: note: Null pointer value stored to 'formats' formats = cvd->src_formats; ^~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/media/platform/chips-media/coda-common.c:478:6: note: Assuming field 'index' is < CODA_MAX_FORMATS if (f->index >= CODA_MAX_FORMATS || formats[f->index] == 0) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/media/platform/chips-media/coda-common.c:478:6: note: Left side of '||' is false drivers/media/platform/chips-media/coda-common.c:478:38: note: Array access (from variable 'formats') results in a null pointer dereference if (f->index >= CODA_MAX_FORMATS || formats[f->index] == 0) ^~~~~~~ include/linux/list.h:137:13: warning: Use of memory after it is freed [clang-analyzer-unix.Malloc] __list_del(entry->prev, entry->next); ^ drivers/media/platform/chips-media/coda-common.c:2117:9: note: Assuming field 'streamon_out' is not equal to 0 stop = ctx->streamon_out && ctx->streamon_cap; ^~~~~~~~~~~~~~~~~ drivers/media/platform/chips-media/coda-common.c:2117:9: note: Left side of '&&' is true drivers/media/platform/chips-media/coda-common.c:2119:2: note: Assuming 'coda_debug' is < 1 coda_dbg(1, ctx, "stop streaming %s\n", v4l2_type_names[q->type]); ^ drivers/media/platform/chips-media/coda.h:300:7: note: expanded from macro 'coda_dbg' if (coda_debug >= (level)) \ ^~~~~~~~~~~~~~~~~~~~~ drivers/media/platform/chips-media/coda-common.c:2119:2: note: Taking false branch coda_dbg(1, ctx, "stop streaming %s\n", v4l2_type_names[q->type]); ^ drivers/media/platform/chips-media/coda.h:300:3: note: expanded from macro 'coda_dbg' if (coda_debug >= (level)) \ ^ drivers/media/platform/chips-media/coda-common.c:2119:2: note: Loop condition is false. Exiting loop coda_dbg(1, ctx, "stop streaming %s\n", v4l2_type_names[q->type]); ^ drivers/media/platform/chips-media/coda.h:299:2: note: expanded from macro 'coda_dbg' do { \ ^ drivers/media/platform/chips-media/coda-common.c:2121:6: note: Assuming field 'type' is equal to V4L2_BUF_TYPE_VIDEO_OUTPUT if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) { ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/media/platform/chips-media/coda-common.c:2121:2: note: Taking true branch if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) { ^ drivers/media/platform/chips-media/coda-common.c:2128:3: note: Loop condition is false. Execution continues on line 2140 while ((buf = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx))) ^ drivers/media/platform/chips-media/coda-common.c:2140:6: note: Assuming 'stop' is true if (stop) { ^~~~ drivers/media/platform/chips-media/coda-common.c:2140:2: note: Taking true branch if (stop) { ^ drivers/media/platform/chips-media/coda-common.c:2143:7: note: Assuming field 'seq_end_work' is null if (ctx->ops->seq_end_work) { ^~~~~~~~~~~~~~~~~~~~~~ drivers/media/platform/chips-media/coda-common.c:2143:3: note: Taking false branch if (ctx->ops->seq_end_work) { ^ drivers/media/platform/chips-media/coda-common.c:2148:3: note: Loop condition is true. Entering loop body while (!list_empty(&ctx->buffer_meta_list)) { ^ drivers/media/platform/chips-media/coda-common.c:2152:4: note: Memory is released kfree(meta); ^~~~~~~~~~~ drivers/media/platform/chips-media/coda-common.c:2148:3: note: Loop condition is true. Entering loop body while (!list_empty(&ctx->buffer_meta_list)) { ^ drivers/media/platform/chips-media/coda-common.c:2151:4: note: Calling 'list_del' list_del(&meta->list); ^~~~~~~~~~~~~~~~~~~~~ include/linux/list.h:148:2: note: Calling '__list_del_entry' __list_del_entry(entry); ^~~~~~~~~~~~~~~~~~~~~~~ include/linux/list.h:134:6: note: Assuming the condition is false if (!__list_del_entry_valid(entry)) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/list.h:134:2: note: Taking false branch if (!__list_del_entry_valid(entry)) ^ include/linux/list.h:137:13: note: Use of memory after it is freed __list_del(entry->prev, entry->next); ^~~~~~~~~~~ include/linux/list.h:149:14: warning: Use of memory after it is freed [clang-analyzer-unix.Malloc] entry->next = LIST_POISON1; ^ drivers/media/platform/chips-media/coda-common.c:2117:9: note: Assuming field 'streamon_out' is not equal to 0 stop = ctx->streamon_out && ctx->streamon_cap; ^~~~~~~~~~~~~~~~~ drivers/media/platform/chips-media/coda-common.c:2117:9: note: Left side of '&&' is true drivers/media/platform/chips-media/coda-common.c:2119:2: note: Assuming 'coda_debug' is < 1 coda_dbg(1, ctx, "stop streaming %s\n", v4l2_type_names[q->type]); ^ drivers/media/platform/chips-media/coda.h:300:7: note: expanded from macro 'coda_dbg' if (coda_debug >= (level)) \ -- drivers/hwmon/adc128d818.c:217:21: note: '?' condition is false regval = clamp_val(DIV_ROUND_CLOSEST(val, 1000), -128, 127); ^ include/linux/math.h:89:2: note: expanded from macro 'DIV_ROUND_CLOSEST' (((typeof(x))-1) > 0 || \ ^ drivers/hwmon/adc128d818.c:217:11: note: Assuming '__UNIQUE_ID___x252' is <= '__UNIQUE_ID___y253' regval = clamp_val(DIV_ROUND_CLOSEST(val, 1000), -128, 127); ^ include/linux/minmax.h:137:32: note: expanded from macro 'clamp_val' #define clamp_val(val, lo, hi) clamp_t(typeof(val), val, lo, hi) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/minmax.h:124:48: note: expanded from macro 'clamp_t' #define clamp_t(type, val, lo, hi) min_t(type, max_t(type, val, lo), hi) ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/minmax.h:112:27: note: expanded from macro 'max_t' #define max_t(type, x, y) __careful_cmp((type)(x), (type)(y), >) ^ note: (skipping 3 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/linux/minmax.h:104:48: note: expanded from macro 'min_t' #define min_t(type, x, y) __careful_cmp((type)(x), (type)(y), <) ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~ include/linux/minmax.h:38:14: note: expanded from macro '__careful_cmp' __cmp_once(x, y, __UNIQUE_ID(__x), __UNIQUE_ID(__y), op)) ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/minmax.h:31:25: note: expanded from macro '__cmp_once' typeof(x) unique_x = (x); \ ^ drivers/hwmon/adc128d818.c:217:11: note: '?' condition is false regval = clamp_val(DIV_ROUND_CLOSEST(val, 1000), -128, 127); ^ include/linux/minmax.h:137:32: note: expanded from macro 'clamp_val' #define clamp_val(val, lo, hi) clamp_t(typeof(val), val, lo, hi) ^ include/linux/minmax.h:124:48: note: expanded from macro 'clamp_t' #define clamp_t(type, val, lo, hi) min_t(type, max_t(type, val, lo), hi) ^ include/linux/minmax.h:112:27: note: expanded from macro 'max_t' #define max_t(type, x, y) __careful_cmp((type)(x), (type)(y), >) ^ include/linux/minmax.h:38:3: note: expanded from macro '__careful_cmp' __cmp_once(x, y, __UNIQUE_ID(__x), __UNIQUE_ID(__y), op)) ^ include/linux/minmax.h:33:3: note: expanded from macro '__cmp_once' __cmp(unique_x, unique_y, op); }) ^ include/linux/minmax.h:28:26: note: expanded from macro '__cmp' #define __cmp(x, y, op) ((x) op (y) ? (x) : (y)) ^ drivers/hwmon/adc128d818.c:217:11: note: '__UNIQUE_ID___x254' is < '__UNIQUE_ID___y255' regval = clamp_val(DIV_ROUND_CLOSEST(val, 1000), -128, 127); ^ include/linux/minmax.h:137:32: note: expanded from macro 'clamp_val' #define clamp_val(val, lo, hi) clamp_t(typeof(val), val, lo, hi) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/minmax.h:124:36: note: expanded from macro 'clamp_t' #define clamp_t(type, val, lo, hi) min_t(type, max_t(type, val, lo), hi) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/minmax.h:104:27: note: expanded from macro 'min_t' #define min_t(type, x, y) __careful_cmp((type)(x), (type)(y), <) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/minmax.h:38:3: note: expanded from macro '__careful_cmp' __cmp_once(x, y, __UNIQUE_ID(__x), __UNIQUE_ID(__y), op)) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/minmax.h:33:3: note: expanded from macro '__cmp_once' __cmp(unique_x, unique_y, op); }) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/minmax.h:28:26: note: expanded from macro '__cmp' #define __cmp(x, y, op) ((x) op (y) ? (x) : (y)) ^~~ drivers/hwmon/adc128d818.c:217:11: note: '?' condition is true regval = clamp_val(DIV_ROUND_CLOSEST(val, 1000), -128, 127); ^ include/linux/minmax.h:137:32: note: expanded from macro 'clamp_val' #define clamp_val(val, lo, hi) clamp_t(typeof(val), val, lo, hi) ^ include/linux/minmax.h:124:36: note: expanded from macro 'clamp_t' #define clamp_t(type, val, lo, hi) min_t(type, max_t(type, val, lo), hi) ^ include/linux/minmax.h:104:27: note: expanded from macro 'min_t' #define min_t(type, x, y) __careful_cmp((type)(x), (type)(y), <) ^ include/linux/minmax.h:38:3: note: expanded from macro '__careful_cmp' __cmp_once(x, y, __UNIQUE_ID(__x), __UNIQUE_ID(__y), op)) ^ include/linux/minmax.h:33:3: note: expanded from macro '__cmp_once' __cmp(unique_x, unique_y, op); }) ^ include/linux/minmax.h:28:26: note: expanded from macro '__cmp' #define __cmp(x, y, op) ((x) op (y) ? (x) : (y)) ^ drivers/hwmon/adc128d818.c:217:2: note: The value -128 is assigned to 'regval' regval = clamp_val(DIV_ROUND_CLOSEST(val, 1000), -128, 127); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/hwmon/adc128d818.c:218:29: note: The result of the left shift is undefined because the left operand is negative data->temp[index] = regval << 1; ~~~~~~ ^ Suppressed 6 warnings (6 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. >> drivers/media/platform/chips-media/coda-bit.c:1127:2: warning: Value stored >> to 'value' is never read [clang-analyzer-deadcode.DeadStores] value = 0; ^ ~ drivers/media/platform/chips-media/coda-bit.c:1127:2: note: Value stored to 'value' is never read value = 0; ^ ~ 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); ^ drivers/media/platform/chips-media/coda-bit.c:1794:6: note: Assuming field 'type' is equal to V4L2_BUF_TYPE_VIDEO_OUTPUT if (rb->type != V4L2_BUF_TYPE_VIDEO_OUTPUT) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/media/platform/chips-media/coda-bit.c:1794:2: note: Taking false branch if (rb->type != V4L2_BUF_TYPE_VIDEO_OUTPUT) ^ drivers/media/platform/chips-media/coda-bit.c:1797:6: note: Assuming field 'count' is not equal to 0 if (rb->count) { ^~~~~~~~~ drivers/media/platform/chips-media/coda-bit.c:1797:2: note: Taking true branch if (rb->count) { ^ drivers/media/platform/chips-media/coda-bit.c:1800:7: note: 'ret' is >= 0 if (ret < 0) ^~~ drivers/media/platform/chips-media/coda-bit.c:1800:3: note: Taking false branch if (ret < 0) ^ drivers/media/platform/chips-media/coda-bit.c:1802:9: note: Calling 'coda_alloc_bitstream_buffer' ret = coda_alloc_bitstream_buffer(ctx, q_data_src); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/media/platform/chips-media/coda-bit.c:1760:6: note: Assuming field 'vaddr' is null if (ctx->bitstream.vaddr) ^~~~~~~~~~~~~~~~~~~~ drivers/media/platform/chips-media/coda-bit.c:1760:2: note: Taking false branch if (ctx->bitstream.vaddr) ^ drivers/media/platform/chips-media/coda-bit.c:1763:24: note: '?' condition is false ctx->bitstream.size = roundup_pow_of_two(q_data->sizeimage * 2); ^ include/linux/log2.h:176:2: note: expanded from macro 'roundup_pow_of_two' __builtin_constant_p(n) ? ( \ ^ drivers/media/platform/chips-media/coda-bit.c:1763:24: note: Calling '__roundup_pow_of_two' ctx->bitstream.size = roundup_pow_of_two(q_data->sizeimage * 2); ^ include/linux/log2.h:180:2: note: expanded from macro 'roundup_pow_of_two' __roundup_pow_of_two(n) \ ^~~~~~~~~~~~~~~~~~~~~~~ include/linux/log2.h:57:16: note: Calling 'fls_long' return 1UL << fls_long(n - 1); ^~~~~~~~~~~~~~~ include/linux/bitops.h:154:2: note: Taking true branch if (sizeof(l) == 4) ^ include/linux/bitops.h:155:10: note: Calling 'fls' return fls(l); ^~~~~~ include/asm-generic/bitops/fls.h:15:2: note: 'r' initialized to 32 int r = 32; ^~~~~ include/asm-generic/bitops/fls.h:17:6: note: Assuming 'x' is not equal to 0, which participates in a condition later if (!x) ^~ include/asm-generic/bitops/fls.h:17:2: note: Taking false branch if (!x) ^ include/asm-generic/bitops/fls.h:19:6: note: Assuming the condition is false if (!(x & 0xffff0000u)) { ^~~~~~~~~~~~~~~~~~ include/asm-generic/bitops/fls.h:19:2: note: Taking false branch if (!(x & 0xffff0000u)) { ^ include/asm-generic/bitops/fls.h:23:6: note: Assuming the condition is false if (!(x & 0xff000000u)) { ^~~~~~~~~~~~~~~~~~ include/asm-generic/bitops/fls.h:23:2: note: Taking false branch if (!(x & 0xff000000u)) { ^ include/asm-generic/bitops/fls.h:27:6: note: Assuming the condition is false if (!(x & 0xf0000000u)) { ^~~~~~~~~~~~~~~~~~ include/asm-generic/bitops/fls.h:27:2: note: Taking false branch if (!(x & 0xf0000000u)) { ^ include/asm-generic/bitops/fls.h:31:6: note: Assuming the condition is false if (!(x & 0xc0000000u)) { ^~~~~~~~~~~~~~~~~~ include/asm-generic/bitops/fls.h:31:2: note: Taking false branch if (!(x & 0xc0000000u)) { ^ include/asm-generic/bitops/fls.h:35:6: note: Assuming the condition is false if (!(x & 0x80000000u)) { ^~~~~~~~~~~~~~~~~~ include/asm-generic/bitops/fls.h:35:2: note: Taking false branch if (!(x & 0x80000000u)) { ^ include/asm-generic/bitops/fls.h:39:2: note: Returning the value 32 (loaded from 'r') return r; ^~~~~~~~ include/linux/bitops.h:155:10: note: Returning from 'fls' return fls(l); vim +/formats +478 drivers/media/platform/chips-media/coda-common.c 12310819a26aa5 drivers/media/platform/coda/coda-common.c Philipp Zabel 2020-03-18 439 22e244b813ddd9 drivers/media/platform/coda.c Philipp Zabel 2014-07-18 440 static int coda_enum_fmt(struct file *file, void *priv, 22e244b813ddd9 drivers/media/platform/coda.c Philipp Zabel 2014-07-18 441 struct v4l2_fmtdesc *f) 186b250a072537 drivers/media/video/coda.c Javier Martin 2012-07-26 442 { 2c11d1bdfc7175 drivers/media/platform/coda/coda-common.c Philipp Zabel 2014-10-02 443 struct video_device *vdev = video_devdata(file); 2c11d1bdfc7175 drivers/media/platform/coda/coda-common.c Philipp Zabel 2014-10-02 444 const struct coda_video_device *cvd = to_coda_video_device(vdev); 9d826ce8122fc6 drivers/media/platform/coda/coda-common.c Philipp Zabel 2017-04-06 445 struct coda_ctx *ctx = fh_to_ctx(priv); 2c11d1bdfc7175 drivers/media/platform/coda/coda-common.c Philipp Zabel 2014-10-02 446 const u32 *formats; 2c11d1bdfc7175 drivers/media/platform/coda/coda-common.c Philipp Zabel 2014-10-02 447 2c11d1bdfc7175 drivers/media/platform/coda/coda-common.c Philipp Zabel 2014-10-02 448 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) 2c11d1bdfc7175 drivers/media/platform/coda/coda-common.c Philipp Zabel 2014-10-02 449 formats = cvd->src_formats; 12310819a26aa5 drivers/media/platform/coda/coda-common.c Philipp Zabel 2020-03-18 450 else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { 12310819a26aa5 drivers/media/platform/coda/coda-common.c Philipp Zabel 2020-03-18 451 struct coda_q_data *q_data_src; 12310819a26aa5 drivers/media/platform/coda/coda-common.c Philipp Zabel 2020-03-18 452 struct vb2_queue *src_vq; 12310819a26aa5 drivers/media/platform/coda/coda-common.c Philipp Zabel 2020-03-18 453 2c11d1bdfc7175 drivers/media/platform/coda/coda-common.c Philipp Zabel 2014-10-02 454 formats = cvd->dst_formats; 12310819a26aa5 drivers/media/platform/coda/coda-common.c Philipp Zabel 2020-03-18 455 12310819a26aa5 drivers/media/platform/coda/coda-common.c Philipp Zabel 2020-03-18 456 /* 12310819a26aa5 drivers/media/platform/coda/coda-common.c Philipp Zabel 2020-03-18 457 * If the source format is already fixed, only allow the same 12310819a26aa5 drivers/media/platform/coda/coda-common.c Philipp Zabel 2020-03-18 458 * chroma subsampling. 12310819a26aa5 drivers/media/platform/coda/coda-common.c Philipp Zabel 2020-03-18 459 */ 12310819a26aa5 drivers/media/platform/coda/coda-common.c Philipp Zabel 2020-03-18 460 q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT); 12310819a26aa5 drivers/media/platform/coda/coda-common.c Philipp Zabel 2020-03-18 461 src_vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, 12310819a26aa5 drivers/media/platform/coda/coda-common.c Philipp Zabel 2020-03-18 462 V4L2_BUF_TYPE_VIDEO_OUTPUT); 12310819a26aa5 drivers/media/platform/coda/coda-common.c Philipp Zabel 2020-03-18 463 if (q_data_src->fourcc == V4L2_PIX_FMT_JPEG && 12310819a26aa5 drivers/media/platform/coda/coda-common.c Philipp Zabel 2020-03-18 464 vb2_is_streaming(src_vq)) { 12310819a26aa5 drivers/media/platform/coda/coda-common.c Philipp Zabel 2020-03-18 465 if (ctx->params.jpeg_chroma_subsampling == 12310819a26aa5 drivers/media/platform/coda/coda-common.c Philipp Zabel 2020-03-18 466 V4L2_JPEG_CHROMA_SUBSAMPLING_420) { 12310819a26aa5 drivers/media/platform/coda/coda-common.c Philipp Zabel 2020-03-18 467 formats = coda_formats_420; 12310819a26aa5 drivers/media/platform/coda/coda-common.c Philipp Zabel 2020-03-18 468 } else if (ctx->params.jpeg_chroma_subsampling == 12310819a26aa5 drivers/media/platform/coda/coda-common.c Philipp Zabel 2020-03-18 469 V4L2_JPEG_CHROMA_SUBSAMPLING_422) { 12310819a26aa5 drivers/media/platform/coda/coda-common.c Philipp Zabel 2020-03-18 470 f->pixelformat = V4L2_PIX_FMT_YUV422P; 12310819a26aa5 drivers/media/platform/coda/coda-common.c Philipp Zabel 2020-03-18 471 return f->index ? -EINVAL : 0; 12310819a26aa5 drivers/media/platform/coda/coda-common.c Philipp Zabel 2020-03-18 472 } 12310819a26aa5 drivers/media/platform/coda/coda-common.c Philipp Zabel 2020-03-18 473 } 12310819a26aa5 drivers/media/platform/coda/coda-common.c Philipp Zabel 2020-03-18 474 } else { 2c11d1bdfc7175 drivers/media/platform/coda/coda-common.c Philipp Zabel 2014-10-02 475 return -EINVAL; 12310819a26aa5 drivers/media/platform/coda/coda-common.c Philipp Zabel 2020-03-18 476 } 2c11d1bdfc7175 drivers/media/platform/coda/coda-common.c Philipp Zabel 2014-10-02 477 2c11d1bdfc7175 drivers/media/platform/coda/coda-common.c Philipp Zabel 2014-10-02 @478 if (f->index >= CODA_MAX_FORMATS || formats[f->index] == 0) 2c11d1bdfc7175 drivers/media/platform/coda/coda-common.c Philipp Zabel 2014-10-02 479 return -EINVAL; 186b250a072537 drivers/media/video/coda.c Javier Martin 2012-07-26 480 9d826ce8122fc6 drivers/media/platform/coda/coda-common.c Philipp Zabel 2017-04-06 481 /* Skip YUYV if the vdoa is not available */ 9d826ce8122fc6 drivers/media/platform/coda/coda-common.c Philipp Zabel 2017-04-06 482 if (!ctx->vdoa && f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE && 9d826ce8122fc6 drivers/media/platform/coda/coda-common.c Philipp Zabel 2017-04-06 483 formats[f->index] == V4L2_PIX_FMT_YUYV) 9d826ce8122fc6 drivers/media/platform/coda/coda-common.c Philipp Zabel 2017-04-06 484 return -EINVAL; 9d826ce8122fc6 drivers/media/platform/coda/coda-common.c Philipp Zabel 2017-04-06 485 2c11d1bdfc7175 drivers/media/platform/coda/coda-common.c Philipp Zabel 2014-10-02 486 f->pixelformat = formats[f->index]; 186b250a072537 drivers/media/video/coda.c Javier Martin 2012-07-26 487 2c11d1bdfc7175 drivers/media/platform/coda/coda-common.c Philipp Zabel 2014-10-02 488 return 0; 186b250a072537 drivers/media/video/coda.c Javier Martin 2012-07-26 489 } 186b250a072537 drivers/media/video/coda.c Javier Martin 2012-07-26 490 :::::: The code at line 478 was first introduced by commit :::::: 2c11d1bdfc7175cc75a603e433367caaf038ab69 [media] coda: add coda_video_device descriptors :::::: TO: Philipp Zabel <[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]
