diff --git a/drivers/video/fbdev/i740fb.c b/drivers/video/fbdev/i740fb.c index f6d7b04d6dffaf222c21277c7e0ecdcca5a2de35..719a3c99f1bd3c18e917c3f8f92e54645bead13b 100644 --- a/drivers/video/fbdev/i740fb.c +++ b/drivers/video/fbdev/i740fb.c @@ -656,6 +656,9 @@ static int i740fb_decode_var(const struct fb_var_screeninfo *var, static int i740fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) { + if (!var->pixclock) + return -EINVAL; + switch (var->bits_per_pixel) { case 8: var->red.offset = var->green.offset = var->blue.offset = 0;