From cda6858d9914d4e2343f1db19ac8476530121767 Mon Sep 17 00:00:00 2001
From: sudarsan N <sudarsansamy2002@gmail.com>
Date: Wed, 11 Jun 2025 11:59:00 +0530
Subject: [PATCH] drivers: video: fix null deref in video_get_csi_link_freq()

Add null and bounds checks before accessing int_menu[ctrl.val].

CID: 525179
Fixes: #91244

Signed-off-by: sudarsan N <sudarsansamy2002@gmail.com>
---
 drivers/video/video_common.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/video/video_common.c b/drivers/video/video_common.c
index 3a30dc7a260..dd111b3c963 100644
--- a/drivers/video/video_common.c
+++ b/drivers/video/video_common.c
@@ -419,6 +419,10 @@ int64_t video_get_csi_link_freq(const struct device *dev, uint8_t bpp, uint8_t l
 		return -ERANGE;
 	}
 
+	if (ctrl_query.int_menu == NULL) {
+		return -EINVAL;
+	}
+
 	return (int64_t)ctrl_query.int_menu[ctrl.val];
 
 fallback: