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authorDan Carpenter <dan.carpenter@oracle.com>2020-11-13 13:15:02 +0300
committerThomas Zimmermann <tzimmermann@suse.de>2020-11-13 15:03:48 +0100
commita7319c8f50c5e93a12997e2d0821a2f7946fb734 (patch)
tree9e3f82e5ac01502a198c23661eaed87ba0c3afe1 /drivers/gpu/drm/udl
parent2c686404012accc010693fd5c112943c4f0b9dbb (diff)
drm/udl: Fix missing error code in udl_handle_damage()
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.carpenter@oracle.com> Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Link: https://patchwork.freedesktop.org/patch/msgid/20201113101502.GD168908@mwanda
Diffstat (limited to 'drivers/gpu/drm/udl')
-rw-r--r--drivers/gpu/drm/udl/udl_modeset.c4
1 files changed, 3 insertions, 1 deletions
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++) {