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authorDavid S. Miller <davem@davemloft.net>2011-10-07 17:38:43 (GMT)
committerDavid S. Miller <davem@davemloft.net>2011-10-07 17:38:43 (GMT)
commit88c5100c28b02c4b2b2c6f6fafbbd76d90f698b9 (patch)
tree08c4399e0341f7eb0ccb24e15f2cab687275c2a4 /net/ipv4/tcp_ipv4.c
parent8083f0fc969d9b5353061a7a6f963405057e26b1 (diff)
parent3ee72ca99288f1de95ec9c570e43f531c8799f06 (diff)
downloadlinux-88c5100c28b02c4b2b2c6f6fafbbd76d90f698b9.tar.xz
Merge branch 'master' of github.com:davem330/net
Conflicts: net/batman-adv/soft-interface.c
Diffstat (limited to 'net/ipv4/tcp_ipv4.c')
-rw-r--r--net/ipv4/tcp_ipv4.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index dd3fad9..48da7cc 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -927,18 +927,21 @@ int tcp_v4_md5_do_add(struct sock *sk, __be32 addr,
}
sk_nocaps_add(sk, NETIF_F_GSO_MASK);
}
- if (tcp_alloc_md5sig_pool(sk) == NULL) {
+
+ md5sig = tp->md5sig_info;
+ if (md5sig->entries4 == 0 &&
+ tcp_alloc_md5sig_pool(sk) == NULL) {
kfree(newkey);
return -ENOMEM;
}
- md5sig = tp->md5sig_info;
if (md5sig->alloced4 == md5sig->entries4) {
keys = kmalloc((sizeof(*keys) *
(md5sig->entries4 + 1)), GFP_ATOMIC);
if (!keys) {
kfree(newkey);
- tcp_free_md5sig_pool();
+ if (md5sig->entries4 == 0)
+ tcp_free_md5sig_pool();
return -ENOMEM;
}
@@ -982,6 +985,7 @@ int tcp_v4_md5_do_del(struct sock *sk, __be32 addr)
kfree(tp->md5sig_info->keys4);
tp->md5sig_info->keys4 = NULL;
tp->md5sig_info->alloced4 = 0;
+ tcp_free_md5sig_pool();
} else if (tp->md5sig_info->entries4 != i) {
/* Need to do some manipulation */
memmove(&tp->md5sig_info->keys4[i],
@@ -989,7 +993,6 @@ int tcp_v4_md5_do_del(struct sock *sk, __be32 addr)
(tp->md5sig_info->entries4 - i) *
sizeof(struct tcp4_md5sig_key));
}
- tcp_free_md5sig_pool();
return 0;
}
}