When bitmap_empty() or feature->feature_num triggers an error, no error return code of smu_v11_0_set_allowed_mask() is assigned. To fix this bug, ret is assigned with -EINVAL as error return code.
Reported-by: TOTE Robot <[email protected]> Signed-off-by: Jia-Ju Bai <[email protected]> --- drivers/gpu/drm/amd/pm/swsmu/smu11/smu_v11_0.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/smu_v11_0.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/smu_v11_0.c index 90585461a56e..82731a932308 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu11/smu_v11_0.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/smu_v11_0.c @@ -747,8 +747,10 @@ int smu_v11_0_set_allowed_mask(struct smu_context *smu) int ret = 0; uint32_t feature_mask[2]; - if (bitmap_empty(feature->allowed, SMU_FEATURE_MAX) || feature->feature_num < 64) + if (bitmap_empty(feature->allowed, SMU_FEATURE_MAX) || feature->feature_num < 64) { + ret = -EINVAL; goto failed; + } bitmap_copy((unsigned long *)feature_mask, feature->allowed, 64); -- 2.17.1
