* [drm-misc:drm-misc-next 3/7] drivers/gpu/drm/panel/panel-visionox-vtdr6130.c:249:6: warning: variable 'ret' is uninitialized when used here
@ 2023-01-19 16:32 ` kernel test robot
0 siblings, 0 replies; 2+ messages in thread
From: kernel test robot @ 2023-01-19 16:32 UTC (permalink / raw)
To: Richard Acayan
Cc: llvm, oe-kbuild-all, dri-devel, Neil Armstrong, Sam Ravnborg
tree: git://anongit.freedesktop.org/drm/drm-misc drm-misc-next
head: 43bde505d66a41c2ad706d603e97b2c8aa2fbe4a
commit: 9402cde9347eca050e14ea9e47270e84a6899162 [3/7] drm/panel: vtdr6130: Use 16-bit brightness function
config: mips-randconfig-r031-20230119 (https://download.01.org/0day-ci/archive/20230120/202301200041.hwrKmLMy-lkp@intel.com/config)
compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 4196ca3278f78c6e19246e54ab0ecb364e37d66a)
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 mips cross compiling tool for clang build
# apt-get install binutils-mips-linux-gnu
git remote add drm-misc git://anongit.freedesktop.org/drm/drm-misc
git fetch --no-tags drm-misc drm-misc-next
git checkout 9402cde9347eca050e14ea9e47270e84a6899162
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=mips olddefconfig
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=mips SHELL=/bin/bash drivers/gpu/drm/panel/
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
>> drivers/gpu/drm/panel/panel-visionox-vtdr6130.c:249:6: warning: variable 'ret' is uninitialized when used here [-Wuninitialized]
if (ret < 0)
^~~
drivers/gpu/drm/panel/panel-visionox-vtdr6130.c:246:9: note: initialize the variable 'ret' to silence this warning
int ret;
^
= 0
1 warning generated.
vim +/ret +249 drivers/gpu/drm/panel/panel-visionox-vtdr6130.c
2349183d32d83a7 Neil Armstrong 2023-01-09 241
2349183d32d83a7 Neil Armstrong 2023-01-09 242 static int visionox_vtdr6130_bl_update_status(struct backlight_device *bl)
2349183d32d83a7 Neil Armstrong 2023-01-09 243 {
2349183d32d83a7 Neil Armstrong 2023-01-09 244 struct mipi_dsi_device *dsi = bl_get_data(bl);
2349183d32d83a7 Neil Armstrong 2023-01-09 245 u16 brightness = backlight_get_brightness(bl);
2349183d32d83a7 Neil Armstrong 2023-01-09 246 int ret;
2349183d32d83a7 Neil Armstrong 2023-01-09 247
9402cde9347eca0 Richard Acayan 2023-01-16 248 mipi_dsi_dcs_set_display_brightness_large(dsi, brightness);
2349183d32d83a7 Neil Armstrong 2023-01-09 @249 if (ret < 0)
2349183d32d83a7 Neil Armstrong 2023-01-09 250 return ret;
2349183d32d83a7 Neil Armstrong 2023-01-09 251
2349183d32d83a7 Neil Armstrong 2023-01-09 252 return 0;
2349183d32d83a7 Neil Armstrong 2023-01-09 253 }
2349183d32d83a7 Neil Armstrong 2023-01-09 254
:::::: The code at line 249 was first introduced by commit
:::::: 2349183d32d83a7635baa804934813bcad13fd62 drm/panel: add visionox vtdr6130 DSI panel driver
:::::: TO: Neil Armstrong <neil.armstrong@linaro.org>
:::::: CC: Neil Armstrong <neil.armstrong@linaro.org>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests
^ permalink raw reply [flat|nested] 2+ messages in thread
* [drm-misc:drm-misc-next 3/7] drivers/gpu/drm/panel/panel-visionox-vtdr6130.c:249:6: warning: variable 'ret' is uninitialized when used here
@ 2023-01-19 16:32 ` kernel test robot
0 siblings, 0 replies; 2+ messages in thread
From: kernel test robot @ 2023-01-19 16:32 UTC (permalink / raw)
To: Richard Acayan
Cc: Neil Armstrong, llvm, Sam Ravnborg, dri-devel, oe-kbuild-all
tree: git://anongit.freedesktop.org/drm/drm-misc drm-misc-next
head: 43bde505d66a41c2ad706d603e97b2c8aa2fbe4a
commit: 9402cde9347eca050e14ea9e47270e84a6899162 [3/7] drm/panel: vtdr6130: Use 16-bit brightness function
config: mips-randconfig-r031-20230119 (https://download.01.org/0day-ci/archive/20230120/202301200041.hwrKmLMy-lkp@intel.com/config)
compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 4196ca3278f78c6e19246e54ab0ecb364e37d66a)
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 mips cross compiling tool for clang build
# apt-get install binutils-mips-linux-gnu
git remote add drm-misc git://anongit.freedesktop.org/drm/drm-misc
git fetch --no-tags drm-misc drm-misc-next
git checkout 9402cde9347eca050e14ea9e47270e84a6899162
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=mips olddefconfig
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=mips SHELL=/bin/bash drivers/gpu/drm/panel/
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
>> drivers/gpu/drm/panel/panel-visionox-vtdr6130.c:249:6: warning: variable 'ret' is uninitialized when used here [-Wuninitialized]
if (ret < 0)
^~~
drivers/gpu/drm/panel/panel-visionox-vtdr6130.c:246:9: note: initialize the variable 'ret' to silence this warning
int ret;
^
= 0
1 warning generated.
vim +/ret +249 drivers/gpu/drm/panel/panel-visionox-vtdr6130.c
2349183d32d83a7 Neil Armstrong 2023-01-09 241
2349183d32d83a7 Neil Armstrong 2023-01-09 242 static int visionox_vtdr6130_bl_update_status(struct backlight_device *bl)
2349183d32d83a7 Neil Armstrong 2023-01-09 243 {
2349183d32d83a7 Neil Armstrong 2023-01-09 244 struct mipi_dsi_device *dsi = bl_get_data(bl);
2349183d32d83a7 Neil Armstrong 2023-01-09 245 u16 brightness = backlight_get_brightness(bl);
2349183d32d83a7 Neil Armstrong 2023-01-09 246 int ret;
2349183d32d83a7 Neil Armstrong 2023-01-09 247
9402cde9347eca0 Richard Acayan 2023-01-16 248 mipi_dsi_dcs_set_display_brightness_large(dsi, brightness);
2349183d32d83a7 Neil Armstrong 2023-01-09 @249 if (ret < 0)
2349183d32d83a7 Neil Armstrong 2023-01-09 250 return ret;
2349183d32d83a7 Neil Armstrong 2023-01-09 251
2349183d32d83a7 Neil Armstrong 2023-01-09 252 return 0;
2349183d32d83a7 Neil Armstrong 2023-01-09 253 }
2349183d32d83a7 Neil Armstrong 2023-01-09 254
:::::: The code at line 249 was first introduced by commit
:::::: 2349183d32d83a7635baa804934813bcad13fd62 drm/panel: add visionox vtdr6130 DSI panel driver
:::::: TO: Neil Armstrong <neil.armstrong@linaro.org>
:::::: CC: Neil Armstrong <neil.armstrong@linaro.org>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests
^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2023-01-19 16:33 UTC | newest]
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2023-01-19 16:32 [drm-misc:drm-misc-next 3/7] drivers/gpu/drm/panel/panel-visionox-vtdr6130.c:249:6: warning: variable 'ret' is uninitialized when used here kernel test robot
2023-01-19 16:32 ` kernel test robot
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