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staging: vboxvideo: unlock on error in vbox_cursor_atomic_update()

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We need to unlock before returning on this error path.

Fixes: 35f3288c45 ("staging: vboxvideo: Atomic phase 1: convert cursor to universal plane")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Dan Carpenter 2018-10-11 10:59:41 +03:00 • committed by Greg Kroah-Hartman
parent a2d6e3e60a
commit c00e1d09e3
1 changed files with 1 additions and 0 deletions
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1
drivers/staging/vboxvideo/vbox_mode.c
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@ -424,6 +424,7 @@ static void vbox_cursor_atomic_update(struct drm_plane *plane,
/* pinning is done in prepare/cleanup framebuffer */
src = vbox_bo_kmap(bo);
if (IS_ERR(src)) {
mutex_unlock(&vbox->hw_mutex);
DRM_WARN("Could not kmap cursor bo, skipping update\n");
return;
}