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authorJunwei Zhang <Jerry.Zhang@amd.com>2018-08-30 17:35:40 +0800
committerChristian König <christian.koenig@amd.com>2018-09-01 11:57:34 +0200
commitf17725108809efaaf139f141808d537d14db3708 (patch)
tree94157e38cb6f8599c1db3999bce1178a888cb62f
parentf3d90e8db42d8d8a839558c0bc4c368c0107a4b9 (diff)
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>
-rw-r--r--amdgpu/amdgpu_bo.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/amdgpu/amdgpu_bo.c b/amdgpu/amdgpu_bo.c
index 2f4f90f6..a2fc5250 100644
--- a/amdgpu/amdgpu_bo.c
+++ b/amdgpu/amdgpu_bo.c
@@ -549,8 +549,9 @@ int amdgpu_find_bo_by_cpu_mapping(amdgpu_device_handle dev,
amdgpu_bo_handle *buf_handle,
uint64_t *offset_in_bo)
{
- uint32_t i;
struct amdgpu_bo *bo;
+ uint32_t i;
+ int r = 0;
if (cpu == NULL || size == 0)
return -EINVAL;
@@ -577,10 +578,11 @@ int amdgpu_find_bo_by_cpu_mapping(amdgpu_device_handle dev,
} else {
*buf_handle = NULL;
*offset_in_bo = 0;
+ r = -ENXIO;
}
pthread_mutex_unlock(&dev->bo_table_mutex);
- return 0;
+ return r;
}
int amdgpu_create_bo_from_user_mem(amdgpu_device_handle dev,