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drm/amdgpu: use WARN_ON_ONCE instead of BUG_ON in the SA

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Crashing the system doesn't helps at all. Also properly return
-EINVAL if size or alignment are outside valid ranges.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König 2016-01-25 13:01:42 +01:00 committed by Alex Deucher
parent 777dbd458c
commit fe6b2ad91f
1 changed files with 5 additions and 2 deletions
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7
drivers/gpu/drm/amd/amdgpu/amdgpu_sa.c
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@ -321,8 +321,11 @@ int amdgpu_sa_bo_new(struct amdgpu_sa_manager *sa_manager,
int i, r; int i, r;
signed long t; signed long t;
BUG_ON(align > sa_manager->align); if (WARN_ON_ONCE(align > sa_manager->align))
BUG_ON(size > sa_manager->size); return -EINVAL;
if (WARN_ON_ONCE(size > sa_manager->size))
return -EINVAL;
*sa_bo = kmalloc(sizeof(struct amdgpu_sa_bo), GFP_KERNEL); *sa_bo = kmalloc(sizeof(struct amdgpu_sa_bo), GFP_KERNEL);
if ((*sa_bo) == NULL) { if ((*sa_bo) == NULL) {