OMAP: FB: Fix Null pointer check

Commit Message

manjugk manjugk May 20, 2010, 2:29 p.m. UTC

None

Patch

diff --git a/drivers/video/omap2/omapfb/omapfb-main.c b/drivers/video/omap2/omapfb/omapfb-main.c
index 4b4506d..63268cf 100644
--- a/drivers/video/omap2/omapfb/omapfb-main.c
+++ b/drivers/video/omap2/omapfb/omapfb-main.c
@@ -1217,6 +1217,11 @@  static int omapfb_blank(int blank, struct fb_info *fbi)
 	int do_update = 0;
 	int r = 0;
 
+	if (display == NULL) {
+		printk(KERN_ERR "omapfb_blank: fb2display returned NULL\n");
+		return -EINVAL;
+	}
+
 	omapfb_lock(fbdev);
 
 	switch (blank) {