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authorFlorent Fourcot <florent.fourcot@enst-bretagne.fr>2015-05-16 01:24:59 +0300
committerDavid S. Miller <davem@davemloft.net>2015-05-18 06:41:59 +0300
commit21858cd02dabcf290564cbf4769b101eba54d7bb (patch)
tree2e50c7f275cd0f7ff24673bd6335da5152b1d7c2 /net/ipv4/tcp_minisocks.c
parented2a80ab7b76f11af0b2c6255709c4ebf164b667 (diff)
downloadlinux-21858cd02dabcf290564cbf4769b101eba54d7bb.tar.xz
tcp/ipv6: fix flow label setting in TIME_WAIT state
commit 1d13a96c74fc ("ipv6: tcp: fix flowlabel value in ACK messages send from TIME_WAIT") added the flow label in the last TCP packets. Unfortunately, it was not casted properly. This patch replace the buggy shift with be32_to_cpu/cpu_to_be32. Fixes: 1d13a96c74fc ("ipv6: tcp: fix flowlabel value in ACK messages") Reported-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: Florent Fourcot <florent.fourcot@enst-bretagne.fr> Acked-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/tcp_minisocks.c')
-rw-r--r--net/ipv4/tcp_minisocks.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv4/tcp_minisocks.c b/net/ipv4/tcp_minisocks.c
index e5d7649136fc..b5732a54f2ad 100644
--- a/net/ipv4/tcp_minisocks.c
+++ b/net/ipv4/tcp_minisocks.c
@@ -300,7 +300,7 @@ void tcp_time_wait(struct sock *sk, int state, int timeo)
tw->tw_v6_daddr = sk->sk_v6_daddr;
tw->tw_v6_rcv_saddr = sk->sk_v6_rcv_saddr;
tw->tw_tclass = np->tclass;
- tw->tw_flowlabel = np->flow_label >> 12;
+ tw->tw_flowlabel = be32_to_cpu(np->flow_label & IPV6_FLOWLABEL_MASK);
tw->tw_ipv6only = sk->sk_ipv6only;
}
#endif