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-rw-r--r--net/ipv4/ah4.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv4/ah4.c b/net/ipv4/ah4.c
index 7a23e59c374..39f6211f149 100644
--- a/net/ipv4/ah4.c
+++ b/net/ipv4/ah4.c
@@ -46,7 +46,7 @@ static int ip_clear_mutable_options(struct iphdr *iph, __be32 *daddr)
memcpy(daddr, optptr+optlen-4, 4);
/* Fall through */
default:
- memset(optptr+2, 0, optlen-2);
+ memset(optptr, 0, optlen);
}
l -= optlen;
optptr += optlen;