Am 30.08.2018 um 10:50 schrieb Junwei Zhang: > If nothing is found, error should be returned. > > Signed-off-by: Junwei Zhang <Jerry.Zhang at amd.com> Reviewed-by: Christian König <christian.koenig at amd.com> > --- > amdgpu/amdgpu_bo.c | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > > diff --git a/amdgpu/amdgpu_bo.c b/amdgpu/amdgpu_bo.c > index 2f4f90f..3812c5e 100644 > --- a/amdgpu/amdgpu_bo.c > +++ b/amdgpu/amdgpu_bo.c > @@ -550,6 +550,7 @@ int amdgpu_find_bo_by_cpu_mapping(amdgpu_device_handle dev, > uint64_t *offset_in_bo) > { > uint32_t i; > + int r = 0; > struct amdgpu_bo *bo; BTW: Kernel coding style usually uses reverse xmas tree for variables. E.g. longest line first and variable like "i" or "r" last. But not a big issue, Christian. > > if (cpu == NULL || size == 0) > @@ -577,10 +578,11 @@ int amdgpu_find_bo_by_cpu_mapping(amdgpu_device_handle dev, > } else { > *buf_handle = NULL; > *offset_in_bo = 0; > + r = -EINVAL; > } > pthread_mutex_unlock(&dev->bo_table_mutex); > > - return 0; > + return r; > } > > int amdgpu_create_bo_from_user_mem(amdgpu_device_handle dev,