@@ -638,11 +638,14 @@ static int get_plane_modifiers(struct amdgpu_device *adev, unsigned int plane_ty
return 0;
*mods = kmalloc(capacity * sizeof(uint64_t), GFP_KERNEL);
+ if (!*mods)
+ return -ENOMEM;
+
if (plane_type == DRM_PLANE_TYPE_CURSOR) {
add_modifier(mods, &size, &capacity, DRM_FORMAT_MOD_LINEAR);
add_modifier(mods, &size, &capacity, DRM_FORMAT_MOD_INVALID);
- return *mods ? 0 : -ENOMEM;
+ return 0;
}
switch (adev->family) {
@@ -671,9 +674,6 @@ static int get_plane_modifiers(struct amdgpu_device *adev, unsigned int plane_ty
/* INVALID marks the end of the list. */
add_modifier(mods, &size, &capacity, DRM_FORMAT_MOD_INVALID);
- if (!*mods)
- return -ENOMEM;
-
return 0;
}
When the *mods is NULL, it should be better to return error immediately, rather than continue with redundant operations. Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn> --- drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_plane.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)