From e636c8d336489bf3eed5878299e6cc045bbad077 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 20 Feb 2024 01:17:29 +0000
Subject: [PATCH] debug lk

---
 kernel/drivers/net/usb/sr9700.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernel/drivers/net/usb/sr9700.c b/kernel/drivers/net/usb/sr9700.c
index 8364062..811c875 100644
--- a/kernel/drivers/net/usb/sr9700.c
+++ b/kernel/drivers/net/usb/sr9700.c
@@ -410,7 +410,7 @@
 		/* ignore the CRC length */
 		len = (skb->data[1] | (skb->data[2] << 8)) - 4;
 
-		if (len > ETH_FRAME_LEN || len > skb->len)
+		if (len > ETH_FRAME_LEN || len > skb->len || len < 0)
 			return 0;
 
 		/* the last packet of current skb */
@@ -434,7 +434,7 @@
 		usbnet_skb_return(dev, sr_skb);
 
 		skb_pull(skb, len + SR_RX_OVERHEAD);
-	};
+	}
 
 	return 0;
 }

--
Gitblit v1.6.2