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authorEric Dumazet <edumazet@google.com>2015-06-04 15:01:12 (GMT)
committerDavid S. Miller <davem@davemloft.net>2015-06-07 08:55:01 (GMT)
commit98da81a426a76c351f3c2854d5bc31f17bba3194 (patch)
tree636dbfc8c16b4150e41aa32ff9b8774ed3f19f3b /net
parent908e80d6546813aaf8b546b4b4483fcec24190b6 (diff)
downloadlinux-98da81a426a76c351f3c2854d5bc31f17bba3194.tar.xz
tcp: remove redundant checks II
For same reasons than in commit 12e25e1041d0 ("tcp: remove redundant checks"), we can remove redundant checks done for timewait sockets. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/ipv4/tcp_ipv4.c4
-rw-r--r--net/ipv6/tcp_ipv6.c4
2 files changed, 0 insertions, 8 deletions
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 3130c42..d7d4c2b 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -1671,10 +1671,6 @@ do_time_wait:
goto discard_it;
}
- if (skb->len < (th->doff << 2)) {
- inet_twsk_put(inet_twsk(sk));
- goto bad_packet;
- }
if (tcp_checksum_complete(skb)) {
inet_twsk_put(inet_twsk(sk));
goto csum_error;
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index b72e1ff..45a7176 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -1467,10 +1467,6 @@ do_time_wait:
tcp_v6_fill_cb(skb, hdr, th);
- if (skb->len < (th->doff<<2)) {
- inet_twsk_put(inet_twsk(sk));
- goto bad_packet;
- }
if (tcp_checksum_complete(skb)) {
inet_twsk_put(inet_twsk(sk));
goto csum_error;