From 2f7c68cb55ecb7331f2381deb497c27155f32faf Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 03 Jan 2024 09:43:39 +0000
Subject: [PATCH] update kernel to 5.10.198

---
 kernel/drivers/video/fbdev/intelfb/intelfbdrv.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/kernel/drivers/video/fbdev/intelfb/intelfbdrv.c b/kernel/drivers/video/fbdev/intelfb/intelfbdrv.c
index a957996..8a703ad 100644
--- a/kernel/drivers/video/fbdev/intelfb/intelfbdrv.c
+++ b/kernel/drivers/video/fbdev/intelfb/intelfbdrv.c
@@ -1214,6 +1214,9 @@
 
 	dinfo = GET_DINFO(info);
 
+	if (!var->pixclock)
+		return -EINVAL;
+
 	/* update the pitch */
 	if (intelfbhw_validate_mode(dinfo, var) != 0)
 		return -EINVAL;

--
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