[IPV6] TCPMD5: Check return value of tcp_alloc_md5sig_pool().
authorYOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Wed, 21 Nov 2007 01:30:56 +0000 (17:30 -0800)
committerDavid S. Miller <davem@davemloft.net>
Wed, 21 Nov 2007 01:30:56 +0000 (17:30 -0800)
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/ipv6/tcp_ipv6.c

index 3aad861975a0a084d4ec952e2c1082d87cff7ba3..b1bfbdd85d3ce6c671eefd4e631cb0c45a09080a 100644 (file)
@@ -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);