CC: [email protected] CC: [email protected] BCC: [email protected] CC: [email protected] TO: Arnd Bergmann <[email protected]> CC: Masahiro Yamada <[email protected]> CC: Alex Shi <[email protected]> CC: Nick Desaulniers <[email protected]> CC: Miguel Ojeda <[email protected]> CC: Nathan Chancellor <[email protected]>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: b253435746d9a4a701b5f09211b9c14d3370d0da commit: e8c07082a810fbb9db303a2b66b66b8d7e588b53 Kbuild: move to -std=gnu11 date: 6 weeks ago :::::: branch date: 13 hours ago :::::: commit date: 6 weeks ago config: riscv-randconfig-c006-20220420 (https://download.01.org/0day-ci/archive/20220421/[email protected]/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project bac6cd5bf85669e3376610cfc4c4f9ca015e7b9b) 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 # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e8c07082a810fbb9db303a2b66b66b8d7e588b53 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout e8c07082a810fbb9db303a2b66b66b8d7e588b53 # save the config file 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/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); ^~~~~~ include/linux/bitops.h:155:3: note: Returning the value 32 return fls(l); ^~~~~~~~~~~~~ include/linux/log2.h:57:16: note: Returning from 'fls_long' return 1UL << fls_long(n - 1); ^~~~~~~~~~~~~~~ include/linux/log2.h:57:13: note: 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' return 1UL << fls_long(n - 1); ^ ~~~~~~~~~~~~~~~ Suppressed 48 warnings (43 in non-user code, 5 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. 33 warnings generated. Suppressed 33 warnings (33 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. 43 warnings generated. Suppressed 43 warnings (43 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. 43 warnings generated. Suppressed 43 warnings (43 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. 31 warnings generated. Suppressed 31 warnings (31 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. 44 warnings generated. drivers/input/misc/tps65218-pwrbutton.c:113:2: warning: Call to function 'snprintf' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'snprintf_s' in case of C11 [clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling] snprintf(pwr->phys, sizeof(pwr->phys), "%s/input0", ^~~~~~~~ drivers/input/misc/tps65218-pwrbutton.c:113:2: note: Call to function 'snprintf' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'snprintf_s' in case of C11 snprintf(pwr->phys, sizeof(pwr->phys), "%s/input0", ^~~~~~~~ Suppressed 43 warnings (43 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. 31 warnings generated. Suppressed 31 warnings (31 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. 27 warnings generated. Suppressed 27 warnings (27 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. 28 warnings generated. drivers/input/misc/uinput.c:956:4: warning: Call to function 'memset' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'memset_s' in case of C11 [clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling] memset(&ff_up.old, 0, sizeof(struct ff_effect)); ^~~~~~ drivers/input/misc/uinput.c:956:4: note: Call to function 'memset' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'memset_s' in case of C11 memset(&ff_up.old, 0, sizeof(struct ff_effect)); ^~~~~~ Suppressed 27 warnings (27 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. 41 warnings generated. drivers/input/misc/yealink.c:288:2: warning: Call to function 'memset' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'memset_s' in case of C11 [clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling] memset(yld->ctl_data, 0, sizeof(*(yld->ctl_data))); ^~~~~~ drivers/input/misc/yealink.c:288:2: note: Call to function 'memset' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'memset_s' in case of C11 memset(yld->ctl_data, 0, sizeof(*(yld->ctl_data))); ^~~~~~ drivers/input/misc/yealink.c:305:3: warning: Call to function 'memcpy' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'memcpy_s' in case of C11 [clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling] memcpy(p->data, &buf[ix], len); ^~~~~~ drivers/input/misc/yealink.c:305:3: note: Call to function 'memcpy' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'memcpy_s' in case of C11 memcpy(p->data, &buf[ix], len); ^~~~~~ drivers/input/misc/yealink.c:321:2: warning: Call to function 'memset' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'memset_s' in case of C11 [clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling] memset(yld->ctl_data, 0, sizeof(*(yld->ctl_data))); ^~~~~~ drivers/input/misc/yealink.c:321:2: note: Call to function 'memset' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'memset_s' in case of C11 memset(yld->ctl_data, 0, sizeof(*(yld->ctl_data))); ^~~~~~ drivers/input/misc/yealink.c:516:2: warning: Call to function 'memset' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'memset_s' in case of C11 [clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling] memset(yld->ctl_data, 0, sizeof(*(yld->ctl_data))); ^~~~~~ drivers/input/misc/yealink.c:516:2: note: Call to function 'memset' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'memset_s' in case of C11 memset(yld->ctl_data, 0, sizeof(*(yld->ctl_data))); ^~~~~~ drivers/input/misc/yealink.c:558:2: warning: Call to function 'memcpy' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'memcpy_s' in case of C11 [clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling] memcpy(buf, &map_seg7, sizeof(map_seg7)); ^~~~~~ drivers/input/misc/yealink.c:558:2: note: Call to function 'memcpy' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'memcpy_s' in case of C11 memcpy(buf, &map_seg7, sizeof(map_seg7)); ^~~~~~ drivers/input/misc/yealink.c:567:2: warning: Call to function 'memcpy' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'memcpy_s' in case of C11 [clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling] memcpy(&map_seg7, buf, sizeof(map_seg7)); ^~~~~~ drivers/input/misc/yealink.c:567:2: note: Call to function 'memcpy' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'memcpy_s' in case of C11 memcpy(&map_seg7, buf, sizeof(map_seg7)); ^~~~~~ >> drivers/input/misc/yealink.c:691:10: warning: Call to function 'sprintf' is >> insecure as it does not provide bounding of the memory buffer or security >> checks introduced in the C11 standard. Replace with analogous functions that >> support length arguments or provides boundary checks such as 'sprintf_s' in >> case of C11 >> [clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling] ret += sprintf(&buf[ret], "%s %s\n", ^~~~~~~ drivers/input/misc/yealink.c:691:10: note: Call to function 'sprintf' is insecure as it does not provide bounding of the memory buffer or security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'sprintf_s' in case of C11 ret += sprintf(&buf[ret], "%s %s\n", ^~~~~~~ drivers/input/misc/yealink.c:979:2: warning: Value stored to 'ret' is never read [clang-analyzer-deadcode.DeadStores] ret = sysfs_create_group(&intf->dev.kobj, &yld_attr_group); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/input/misc/yealink.c:979:2: note: Value stored to 'ret' is never read ret = sysfs_create_group(&intf->dev.kobj, &yld_attr_group); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Suppressed 33 warnings (33 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. 31 warnings generated. Suppressed 31 warnings (31 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. 43 warnings generated. Suppressed 43 warnings (43 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. 44 warnings generated. drivers/input/keyboard/tca8418_keypad.c:241:15: warning: The result of the left shift is undefined because the left operand is negative [clang-analyzer-core.UndefinedBinaryOperatorResult] reg += (~(~0 << cols)) << 8; ^ drivers/input/keyboard/tca8418_keypad.c:273:2: note: Taking false branch if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE)) { ^ drivers/input/keyboard/tca8418_keypad.c:280:6: note: Assuming 'error' is 0 if (error) ^~~~~ drivers/input/keyboard/tca8418_keypad.c:280:2: note: Taking false branch if (error) ^ drivers/input/keyboard/tca8418_keypad.c:283:6: note: Assuming 'rows' is not equal to 0 if (!rows || rows > TCA8418_MAX_ROWS) { ^~~~~ drivers/input/keyboard/tca8418_keypad.c:283:6: note: Left side of '||' is false drivers/input/keyboard/tca8418_keypad.c:283:15: note: Assuming 'rows' is <= TCA8418_MAX_ROWS if (!rows || rows > TCA8418_MAX_ROWS) { ^~~~~~~~~~~~~~~~~~~~~~~ drivers/input/keyboard/tca8418_keypad.c:283:2: note: Taking false branch if (!rows || rows > TCA8418_MAX_ROWS) { ^ drivers/input/keyboard/tca8418_keypad.c:288:6: note: Assuming 'cols' is not equal to 0 if (!cols || cols > TCA8418_MAX_COLS) { ^~~~~ drivers/input/keyboard/tca8418_keypad.c:288:6: note: Left side of '||' is false drivers/input/keyboard/tca8418_keypad.c:288:15: note: Assuming 'cols' is <= TCA8418_MAX_COLS if (!cols || cols > TCA8418_MAX_COLS) { ^~~~~~~~~~~~~~~~~~~~~~~ drivers/input/keyboard/tca8418_keypad.c:288:2: note: Taking false branch if (!cols || cols > TCA8418_MAX_COLS) { ^ drivers/input/keyboard/tca8418_keypad.c:297:6: note: Assuming 'keypad_data' is non-null if (!keypad_data) ^~~~~~~~~~~~ drivers/input/keyboard/tca8418_keypad.c:297:2: note: Taking false branch if (!keypad_data) ^ drivers/input/keyboard/tca8418_keypad.c:305:6: note: 'error' is 0 if (error) ^~~~~ drivers/input/keyboard/tca8418_keypad.c:305:2: note: Taking false branch if (error) ^ drivers/input/keyboard/tca8418_keypad.c:310:6: note: Assuming 'input' is non-null if (!input) ^~~~~~ drivers/input/keyboard/tca8418_keypad.c:310:2: note: Taking false branch if (!input) ^ drivers/input/keyboard/tca8418_keypad.c:322:6: note: Assuming 'error' is 0 if (error) { ^~~~~ drivers/input/keyboard/tca8418_keypad.c:322:2: note: Taking false branch if (error) { ^ drivers/input/keyboard/tca8418_keypad.c:327:6: note: Assuming the condition is false if (device_property_read_bool(dev, "keypad,autorepeat")) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/input/keyboard/tca8418_keypad.c:327:2: note: Taking false branch if (device_property_read_bool(dev, "keypad,autorepeat")) ^ drivers/input/keyboard/tca8418_keypad.c:336:6: note: Assuming 'error' is 0 if (error) { ^~~~~ drivers/input/keyboard/tca8418_keypad.c:336:2: note: Taking false branch if (error) { ^ drivers/input/keyboard/tca8418_keypad.c:343:10: note: Calling 'tca8418_configure' error = tca8418_configure(keypad_data, rows, cols); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/input/keyboard/tca8418_keypad.c:241:15: note: The result of the left shift is undefined because the left operand is negative reg += (~(~0 << cols)) << 8; ~~ ^ Suppressed 43 warnings (43 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. 44 warnings generated. drivers/input/touchscreen/cyttsp_i2c_common.c:73:2: warning: Call to function 'memcpy' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'memcpy_s' in case of C11 [clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling] memcpy(&xfer_buf[1], values, length); ^~~~~~ vim +691 drivers/input/misc/yealink.c aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 552 aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 553 /* Interface to the 7-segments translation table aka. char set. aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 554 */ aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 555 static ssize_t show_map(struct device *dev, struct device_attribute *attr, aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 556 char *buf) aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 557 { aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 @558 memcpy(buf, &map_seg7, sizeof(map_seg7)); aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 559 return sizeof(map_seg7); aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 560 } aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 561 aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 562 static ssize_t store_map(struct device *dev, struct device_attribute *attr, aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 563 const char *buf, size_t cnt) aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 564 { aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 565 if (cnt != sizeof(map_seg7)) aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 566 return -EINVAL; aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 567 memcpy(&map_seg7, buf, sizeof(map_seg7)); aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 568 return sizeof(map_seg7); aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 569 } aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 570 aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 571 /* Interface to the LCD. aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 572 */ aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 573 aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 574 /* Reading /sys/../lineX will return the format string with its settings: aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 575 * aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 576 * Example: aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 577 * cat ./line3 aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 578 * 888888888888 aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 579 * Linux Rocks! aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 580 */ aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 581 static ssize_t show_line(struct device *dev, char *buf, int a, int b) aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 582 { aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 583 struct yealink_dev *yld; aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 584 int i; aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 585 aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 586 down_read(&sysfs_rwsema); aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 587 yld = dev_get_drvdata(dev); aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 588 if (yld == NULL) { aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 589 up_read(&sysfs_rwsema); aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 590 return -ENODEV; aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 591 } aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 592 aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 593 for (i = a; i < b; i++) aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 594 *buf++ = lcdMap[i].type; aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 595 *buf++ = '\n'; aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 596 for (i = a; i < b; i++) aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 597 *buf++ = yld->lcdMap[i]; aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 598 *buf++ = '\n'; aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 599 *buf = 0; aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 600 aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 601 up_read(&sysfs_rwsema); aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 602 return 3 + ((b - a) << 1); aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 603 } aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 604 aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 605 static ssize_t show_line1(struct device *dev, struct device_attribute *attr, aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 606 char *buf) aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 607 { aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 608 return show_line(dev, buf, LCD_LINE1_OFFSET, LCD_LINE2_OFFSET); aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 609 } aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 610 aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 611 static ssize_t show_line2(struct device *dev, struct device_attribute *attr, aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 612 char *buf) aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 613 { aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 614 return show_line(dev, buf, LCD_LINE2_OFFSET, LCD_LINE3_OFFSET); aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 615 } aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 616 aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 617 static ssize_t show_line3(struct device *dev, struct device_attribute *attr, aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 618 char *buf) aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 619 { aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 620 return show_line(dev, buf, LCD_LINE3_OFFSET, LCD_LINE4_OFFSET); aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 621 } aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 622 aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 623 /* Writing to /sys/../lineX will set the coresponding LCD line. aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 624 * - Excess characters are ignored. aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 625 * - If less characters are written than allowed, the remaining digits are aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 626 * unchanged. aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 627 * - The '\n' or '\t' char is a placeholder, it does not overwrite the aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 628 * original content. aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 629 */ aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 630 static ssize_t store_line(struct device *dev, const char *buf, size_t count, aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 631 int el, size_t len) aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 632 { aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 633 struct yealink_dev *yld; aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 634 int i; aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 635 aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 636 down_write(&sysfs_rwsema); aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 637 yld = dev_get_drvdata(dev); aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 638 if (yld == NULL) { aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 639 up_write(&sysfs_rwsema); aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 640 return -ENODEV; aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 641 } aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 642 aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 643 if (len > count) aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 644 len = count; aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 645 for (i = 0; i < len; i++) aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 646 setChar(yld, el++, buf[i]); aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 647 aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 648 up_write(&sysfs_rwsema); aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 649 return count; aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 650 } aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 651 aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 652 static ssize_t store_line1(struct device *dev, struct device_attribute *attr, aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 653 const char *buf, size_t count) aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 654 { aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 655 return store_line(dev, buf, count, LCD_LINE1_OFFSET, LCD_LINE1_SIZE); aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 656 } aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 657 aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 658 static ssize_t store_line2(struct device *dev, struct device_attribute *attr, aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 659 const char *buf, size_t count) aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 660 { aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 661 return store_line(dev, buf, count, LCD_LINE2_OFFSET, LCD_LINE2_SIZE); aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 662 } aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 663 aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 664 static ssize_t store_line3(struct device *dev, struct device_attribute *attr, aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 665 const char *buf, size_t count) aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 666 { aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 667 return store_line(dev, buf, count, LCD_LINE3_OFFSET, LCD_LINE3_SIZE); aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 668 } aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 669 aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 670 /* Interface to visible and audible "icons", these include: aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 671 * pictures on the LCD, the LED, and the dialtone signal. aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 672 */ aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 673 aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 674 /* Get a list of "switchable elements" with their current state. */ aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 675 static ssize_t get_icons(struct device *dev, struct device_attribute *attr, aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 676 char *buf) aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 677 { aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 678 struct yealink_dev *yld; aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 679 int i, ret = 1; aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 680 aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 681 down_read(&sysfs_rwsema); aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 682 yld = dev_get_drvdata(dev); aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 683 if (yld == NULL) { aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 684 up_read(&sysfs_rwsema); aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 685 return -ENODEV; aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 686 } aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 687 aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 688 for (i = 0; i < ARRAY_SIZE(lcdMap); i++) { aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 689 if (lcdMap[i].type != '.') aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 690 continue; aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 @691 ret += sprintf(&buf[ret], "%s %s\n", aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 692 yld->lcdMap[i] == ' ' ? " " : "on", aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 693 lcdMap[i].u.p.name); aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 694 } aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 695 up_read(&sysfs_rwsema); aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 696 return ret; aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 697 } aca951a22a1d93 drivers/usb/input/yealink.c Henk Vergonet 2005-08-16 698 :::::: The code at line 691 was first introduced by commit :::::: aca951a22a1d93ebe31b54052b3eb9a8196df2fc [PATCH] input-driver-yealink-P1K-usb-phone :::::: TO: Henk <[email protected]> :::::: CC: Greg Kroah-Hartman <[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]
