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authorArnaldo Carvalho de Melo <acme@mandriva.com>2005-12-12 23:38:10 +0100
committerDavid S. Miller <davem@davemloft.net>2005-12-12 23:38:10 +0100
commitecc51b6d5ca04bb6346c9ad6b37d6ca8bace12b3 (patch)
tree4056dc6a739d43d052989ea39bb213e3a84392e0
parent[PATCH] Fix SCSI scanning slab corruption (diff)
downloadlinux-ecc51b6d5ca04bb6346c9ad6b37d6ca8bace12b3.tar.xz
linux-ecc51b6d5ca04bb6346c9ad6b37d6ca8bace12b3.zip
[TCPv6]: Fix skb leak
Spotted by Francois Romieu, thanks! Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--net/ipv6/tcp_ipv6.c19
1 files changed, 9 insertions, 10 deletions
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 62c0e5bd931c..8827389abaf7 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -992,13 +992,12 @@ static void tcp_v6_send_reset(struct sk_buff *skb)
/* sk = NULL, but it is safe for now. RST socket required. */
if (!ip6_dst_lookup(NULL, &buff->dst, &fl)) {
- if ((xfrm_lookup(&buff->dst, &fl, NULL, 0)) < 0)
+ if (xfrm_lookup(&buff->dst, &fl, NULL, 0) >= 0) {
+ ip6_xmit(NULL, buff, &fl, NULL, 0);
+ TCP_INC_STATS_BH(TCP_MIB_OUTSEGS);
+ TCP_INC_STATS_BH(TCP_MIB_OUTRSTS);
return;
-
- ip6_xmit(NULL, buff, &fl, NULL, 0);
- TCP_INC_STATS_BH(TCP_MIB_OUTSEGS);
- TCP_INC_STATS_BH(TCP_MIB_OUTRSTS);
- return;
+ }
}
kfree_skb(buff);
@@ -1057,11 +1056,11 @@ static void tcp_v6_send_ack(struct sk_buff *skb, u32 seq, u32 ack, u32 win, u32
fl.fl_ip_sport = t1->source;
if (!ip6_dst_lookup(NULL, &buff->dst, &fl)) {
- if ((xfrm_lookup(&buff->dst, &fl, NULL, 0)) < 0)
+ if (xfrm_lookup(&buff->dst, &fl, NULL, 0) >= 0) {
+ ip6_xmit(NULL, buff, &fl, NULL, 0);
+ TCP_INC_STATS_BH(TCP_MIB_OUTSEGS);
return;
- ip6_xmit(NULL, buff, &fl, NULL, 0);
- TCP_INC_STATS_BH(TCP_MIB_OUTSEGS);
- return;
+ }
}
kfree_skb(buff);