fb: adv7393: off by one in probe function

This should be >= instead of >. It's a little bit clearer if we just
get rid of the temporary variable and just use ARRAY_SIZE() directly.

Signed-off-by: Dan Carpenter <[e-mail]>
Signed-off-by: Tomi Valkeinen <[e-mail]>

drivers/video/fbdev/bfin_adv7393fb.c

···
 {
 	int ret = 0;
 	struct proc_dir_entry *entry;
-	int num_modes = ARRAY_SIZE(known_modes);
 
 	struct adv7393fb_device *fbdev = NULL;
 
···
 		return -EINVAL;
 	}
 
-	if (mode > num_modes) {
+	if (mode >= ARRAY_SIZE(known_modes)) {
 		dev_err(&client->dev, "mode %d: not supported", mode);
 		return -EFAULT;
 	}