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path: root/drivers/video/omap2/omapfb/omapfb-ioctl.c
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Diffstat (limited to 'drivers/video/omap2/omapfb/omapfb-ioctl.c')
-rw-r--r--drivers/video/omap2/omapfb/omapfb-ioctl.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/video/omap2/omapfb/omapfb-ioctl.c b/drivers/video/omap2/omapfb/omapfb-ioctl.c
index 2c0f01c44aab..9c7361871d78 100644
--- a/drivers/video/omap2/omapfb/omapfb-ioctl.c
+++ b/drivers/video/omap2/omapfb/omapfb-ioctl.c
@@ -183,7 +183,8 @@ int omapfb_update_window(struct fb_info *fbi,
struct omapfb2_device *fbdev = ofbi->fbdev;
int r;
- lock_fb_info(fbi);
+ if (!lock_fb_info(fbi))
+ return -ENODEV;
omapfb_lock(fbdev);
r = omapfb_update_window_nolock(fbi, x, y, w, h);