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authorLeigh Brown <leigh@solinno.co.uk>2006-12-17 17:12:30 -0800
committerDavid S. Miller <davem@sunset.davemloft.net>2006-12-17 21:59:25 -0800
commit8228a18dd30f5c988b722495ea6c25cb1d2be035 (patch)
tree20469a1ca9989d399d175f138e9b6d1c33c5f1af
parentd8172d822fb02d5c4f7508e41f9267428dd3d891 (diff)
[TCP]: Fix oops caused by tcp_v4_md5_do_del
md5sig_info.alloced4 must be set to zero when freeing keys4, otherwise it will not be alloc'd again when another key is added to the same socket by tcp_v4_md5_do_add. Signed-off-by: Leigh Brown <leigh@solinno.co.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--net/ipv4/tcp_ipv4.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index a1222d6968c4..fa814fc506d5 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -928,6 +928,7 @@ int tcp_v4_md5_do_del(struct sock *sk, __be32 addr)
if (tp->md5sig_info->entries4 == 0) {
kfree(tp->md5sig_info->keys4);
tp->md5sig_info->keys4 = NULL;
+ tp->md5sig_info->alloced4 = 0;
} else if (tp->md5sig_info->entries4 != i) {
/* Need to do some manipulation */
memcpy(&tp->md5sig_info->keys4[i],

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