Hi Swati, Thank you for the patch! Perhaps something to improve: url: https://github.com/0day-ci/linux/commits/Swati-Sharma/drm-i915-adding-state-checker-for-gamma-lut-values/20190416-021708 base: git://anongit.freedesktop.org/drm-intel for-linux-next New smatch warnings: drivers/gpu/drm/i915/intel_color.c:1519 intel_compare_color_lut() warn: variable dereferenced before check 'blob1' (see line 1514) drivers/gpu/drm/i915/intel_color.c:1519 intel_compare_color_lut() warn: variable dereferenced before check 'blob2' (see line 1515) # https://github.com/0day-ci/linux/commit/14a61c5a3c40291ad8779909b5fdc261aad53df3 git remote add linux-review https://github.com/0day-ci/linux git remote update linux-review git checkout 14a61c5a3c40291ad8779909b5fdc261aad53df3 vim +/blob1 +1519 drivers/gpu/drm/i915/intel_color.c 14a61c5a Swati Sharma 2019-04-15 1510 bool intel_compare_color_lut(struct drm_property_blob *blob1, 14a61c5a Swati Sharma 2019-04-15 1511 struct drm_property_blob *blob2, 14a61c5a Swati Sharma 2019-04-15 1512 u32 gamma_mode) 14a61c5a Swati Sharma 2019-04-15 1513 { 14a61c5a Swati Sharma 2019-04-15 @1514 struct drm_color_lut *sw_lut = blob1->data; ^^^^^^^^^^^ 14a61c5a Swati Sharma 2019-04-15 @1515 struct drm_color_lut *hw_lut = blob2->data; ^^^^^^^^^^^ 14a61c5a Swati Sharma 2019-04-15 1516 int sw_lut_size, hw_lut_size, i; 14a61c5a Swati Sharma 2019-04-15 1517 u32 bit_precision, err; 14a61c5a Swati Sharma 2019-04-15 1518 14a61c5a Swati Sharma 2019-04-15 @1519 if (!blob1 || !blob2) ^^^^^ ^^^^^^ 14a61c5a Swati Sharma 2019-04-15 1520 return false; 14a61c5a Swati Sharma 2019-04-15 1521 14a61c5a Swati Sharma 2019-04-15 1522 switch(gamma_mode) { 14a61c5a Swati Sharma 2019-04-15 1523 case GAMMA_MODE_MODE_8BIT: 14a61c5a Swati Sharma 2019-04-15 1524 bit_precision = 8; 14a61c5a Swati Sharma 2019-04-15 1525 break; --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
