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path: root/drivers/char/drm
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Diffstat (limited to 'drivers/char/drm')
-rw-r--r--drivers/char/drm/drm_bufs.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/char/drm/drm_bufs.c b/drivers/char/drm/drm_bufs.c
index 006b06d2972..7775fb5dfb9 100644
--- a/drivers/char/drm/drm_bufs.c
+++ b/drivers/char/drm/drm_bufs.c
@@ -441,8 +441,10 @@ int drm_rmmap_ioctl(struct inode *inode, struct file *filp,
return -EINVAL;
}
- if (!map)
+ if (!map) {
+ mutex_unlock(&dev->struct_mutex);
return -EINVAL;
+ }
/* Register and framebuffer maps are permanent */
if ((map->type == _DRM_REGISTERS) || (map->type == _DRM_FRAME_BUFFER)) {