Merge tag 'lkdtm-next' of https://git.kernel.org/pub/scm/linux/kernel/git/kees/linux...

[linux-2.6-microblaze.git] / drivers / video / fbdev / vt8623fb.c

diff --git a/drivers/video/fbdev/vt8623fb.c b/drivers/video/fbdev/vt8623fb.c
index 7a959e5..a92a8c6 100644 (file)
--- a/drivers/video/fbdev/vt8623fb.c
+++ b/drivers/video/fbdev/vt8623fb.c
@@ -321,6 +321,9 @@ static int vt8623fb_check_var(struct fb_var_screeninfo *var, struct fb_info *inf
 {
        int rv, mem, step;
 
+       if (!var->pixclock)
+               return -EINVAL;
+
        /* Find appropriate format */
        rv = svga_match_format (vt8623fb_formats, var, NULL);
        if (rv < 0)