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authorYOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>2007-11-20 17:30:56 -0800
committerDavid S. Miller <davem@davemloft.net>2007-11-20 17:30:56 -0800
commitaacbe8c8800adfea42eb754396c6ebcd992cb36a (patch)
treee158faf799c888808ddd40bfd16f4793d3522322 /net
parent354faf0977397cea382e9e9c214fd028377d277b (diff)
[IPV6] TCPMD5: Check return value of tcp_alloc_md5sig_pool().
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/ipv6/tcp_ipv6.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 3aad861975a..b1bfbdd85d3 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);