From aacbe8c8800adfea42eb754396c6ebcd992cb36a Mon Sep 17 00:00:00 2001 From: YOSHIFUJI Hideaki Date: Tue, 20 Nov 2007 17:30:56 -0800 Subject: [PATCH] [IPV6] TCPMD5: Check return value of tcp_alloc_md5sig_pool(). Signed-off-by: YOSHIFUJI Hideaki Signed-off-by: David S. Miller --- net/ipv6/tcp_ipv6.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c index 3aad861975..b1bfbdd85d 100644 --- a/net/ipv6/tcp_ipv6.c +++ b/net/ipv6/tcp_ipv6.c @@ -581,7 +581,10 @@ static int tcp_v6_md5_do_add(struct sock *sk, struct in6_addr *peer, } sk->sk_route_caps &= ~NETIF_F_GSO_MASK; } - tcp_alloc_md5sig_pool(); + if (tcp_alloc_md5sig_pool() == NULL) { + kfree(newkey); + return -ENOMEM; + } if (tp->md5sig_info->alloced6 == tp->md5sig_info->entries6) { keys = kmalloc((sizeof (tp->md5sig_info->keys6[0]) * (tp->md5sig_info->entries6 + 1)), GFP_ATOMIC); -- 2.39.5