patch-2.2.19 linux/net/ipv4/ipmr.c

• Lines: 11
• Date: Sun Mar 25 11:37:41 2001
• Orig file: v2.2.18/net/ipv4/ipmr.c
• Orig date: Sun Mar 25 11:12:46 2001

diff -u --new-file --recursive --exclude-from /usr/src/exclude v2.2.18/net/ipv4/ipmr.c linux/net/ipv4/ipmr.c
@@ -877,6 +877,10 @@
 		return -EFAULT;
 
 	olr=min(olr,sizeof(int));
+	
+	if(olr < 0)
+		return -EINVAL;
+		
 	if(put_user(olr,optlen))
 		return -EFAULT;
 	if(optname==MRT_VERSION)