Messages in this thread | | | Date | Thu, 29 Dec 2022 16:51:50 +0300 | From | Dan Carpenter <> | Subject | drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c:928 gmc_v6_0_hw_init() warn: missing error code? 'r' |
| |
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 1b929c02afd37871d5afb9d498426f83432e71c2 commit: 479e3b02b73a2de2b19df2950863149c59d57bfe drm/amdgpu: add vram check function for GMC config: ia64-randconfig-m041-20221229 compiler: ia64-linux-gcc (GCC) 12.1.0
If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@intel.com> | Reported-by: Dan Carpenter <error27@gmail.com>
smatch warnings: drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c:928 gmc_v6_0_hw_init() warn: missing error code? 'r'
vim +/r +928 drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c
df70502eef80be Ken Wang 2016-01-19 906 static int gmc_v6_0_hw_init(void *handle) df70502eef80be Ken Wang 2016-01-19 907 { df70502eef80be Ken Wang 2016-01-19 908 int r; df70502eef80be Ken Wang 2016-01-19 909 struct amdgpu_device *adev = (struct amdgpu_device *)handle; df70502eef80be Ken Wang 2016-01-19 910 df70502eef80be Ken Wang 2016-01-19 911 gmc_v6_0_mc_program(adev); df70502eef80be Ken Wang 2016-01-19 912 df70502eef80be Ken Wang 2016-01-19 913 if (!(adev->flags & AMD_IS_APU)) { df70502eef80be Ken Wang 2016-01-19 914 r = gmc_v6_0_mc_load_microcode(adev); df70502eef80be Ken Wang 2016-01-19 915 if (r) { 075719c3cb79f3 Tom St Denis 2016-09-06 916 dev_err(adev->dev, "Failed to load MC firmware!\n"); df70502eef80be Ken Wang 2016-01-19 917 return r; df70502eef80be Ken Wang 2016-01-19 918 } df70502eef80be Ken Wang 2016-01-19 919 } df70502eef80be Ken Wang 2016-01-19 920 df70502eef80be Ken Wang 2016-01-19 921 r = gmc_v6_0_gart_enable(adev); df70502eef80be Ken Wang 2016-01-19 922 if (r) df70502eef80be Ken Wang 2016-01-19 923 return r; df70502eef80be Ken Wang 2016-01-19 924 479e3b02b73a2d Xiaojian Du 2022-01-17 925 if (amdgpu_emu_mode == 1) 479e3b02b73a2d Xiaojian Du 2022-01-17 926 return amdgpu_gmc_vram_checking(adev); 479e3b02b73a2d Xiaojian Du 2022-01-17 927 else df70502eef80be Ken Wang 2016-01-19 @928 return r;
"r" is zero. Just return a literal "return 0;" or "return EINVAL;"
df70502eef80be Ken Wang 2016-01-19 929 }
-- 0-DAY CI Kernel Test Service https://01.org/lkp
| |