If udl_get_urb() fails then this should return a negative error code
but currently it returns success.
Fixes: 798ce3fe1c3a ("drm/udl: Begin/end access to imported buffers in
damage-handler")
Signed-off-by: Dan Carpenter <dan.carpen...@oracle.com>
---
drivers/gpu/drm/udl/udl_modeset.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/udl/udl_modeset.c
b/drivers/gpu/drm/udl/udl_modeset.c
index 42eeba1dfdbf..9d34ec9d03f6 100644
--- a/drivers/gpu/drm/udl/udl_modeset.c
+++ b/drivers/gpu/drm/udl/udl_modeset.c
@@ -305,8 +305,10 @@ static int udl_handle_damage(struct drm_framebuffer *fb,
int x, int y,
vaddr = map.vaddr; /* TODO: Use mapping abstraction properly */
urb = udl_get_urb(dev);
- if (!urb)
+ if (!urb) {
+ ret = -ENOMEM;
goto out_drm_gem_shmem_vunmap;
+ }
cmd = urb->transfer_buffer;
for (i = clip.y1; i < clip.y2; i++) {
--
2.28.0
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