Messages in this thread Patch in this message | | | Date | Wed, 15 May 2019 12:51:30 +0300 | From | Dan Carpenter <> | Subject | [PATCH] drm/amd/powerplay: fix locking in smu_feature_set_supported() |
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There is a typo so the code unlocks twice instead of taking the lock and then releasing it.
Fixes: f14a323db5b0 ("drm/amd/powerplay: implement update enabled feature state to smc for smu11") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> --- drivers/gpu/drm/amd/powerplay/amdgpu_smu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c index 52d919a8b70a..85ac29af5363 100644 --- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c +++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c @@ -310,7 +310,7 @@ int smu_feature_set_supported(struct smu_context *smu, int feature_id, WARN_ON(feature_id > feature->feature_num); - mutex_unlock(&feature->mutex); + mutex_lock(&feature->mutex); if (enable) test_and_set_bit(feature_id, feature->supported); else -- 2.20.1
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