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amdgpu: add error return value for finding bo by cpu mapping (v2) 

If nothing is found, error should be returned.

v2: udpate the error value different from parameter check

Signed-off-by: Junwei Zhang <Jerry.Zhang@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
main
Junwei Zhang 2018-08-30 17:35:40 +08:00 committed by Christian König
parent f3d90e8db4
commit f177251088
1 changed files with 4 additions and 2 deletions
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6
amdgpu/amdgpu_bo.c
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@ -549,8 +549,9 @@ int amdgpu_find_bo_by_cpu_mapping(amdgpu_device_handle dev,
amdgpu_bo_handle *buf_handle, amdgpu_bo_handle *buf_handle,
uint64_t *offset_in_bo) uint64_t *offset_in_bo)
{ {
uint32_t i;
struct amdgpu_bo *bo; struct amdgpu_bo *bo;
uint32_t i;
int r = 0;
if (cpu == NULL || size == 0) if (cpu == NULL || size == 0)
return -EINVAL; return -EINVAL;
@ -577,10 +578,11 @@ int amdgpu_find_bo_by_cpu_mapping(amdgpu_device_handle dev,
} else { } else {
*buf_handle = NULL; *buf_handle = NULL;
*offset_in_bo = 0; *offset_in_bo = 0;
r = -ENXIO;
} }
pthread_mutex_unlock(&dev->bo_table_mutex); pthread_mutex_unlock(&dev->bo_table_mutex);
return 0; return r;
} }
int amdgpu_create_bo_from_user_mem(amdgpu_device_handle dev, int amdgpu_create_bo_from_user_mem(amdgpu_device_handle dev,