hc
2024-12-19 9370bb92b2d16684ee45cf24e879c93c509162da
kernel/drivers/video/fbdev/imxfb.c
....@@ -602,10 +602,10 @@
602602 if (var->hsync_len < 1 || var->hsync_len > 64)
603603 printk(KERN_ERR "%s: invalid hsync_len %d\n",
604604 info->fix.id, var->hsync_len);
605
- if (var->left_margin > 255)
605
+ if (var->left_margin < 3 || var->left_margin > 255)
606606 printk(KERN_ERR "%s: invalid left_margin %d\n",
607607 info->fix.id, var->left_margin);
608
- if (var->right_margin > 255)
608
+ if (var->right_margin < 1 || var->right_margin > 255)
609609 printk(KERN_ERR "%s: invalid right_margin %d\n",
610610 info->fix.id, var->right_margin);
611611 if (var->yres < 1 || var->yres > ymax_mask)