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authorDavid S. Miller <davem@davemloft.net>2010-11-24 11:47:22 -0800
committerGreg Kroah-Hartman <gregkh@suse.de>2011-03-21 12:45:09 -0700
commitbf9a5b3f21bb693155c9f890efad91975a318300 (patch)
tree2ab9386d05f116fd19afdb8fc88c9939aa2cd68f /net
parentfefec0cbd52b128b2b4d57c71eb6b54000039e33 (diff)
tcp: Make TCP_MAXSEG minimum more correct.
commit c39508d6f118308355468314ff414644115a07f3 upstream. Use TCP_MIN_MSS instead of constant 64. Reported-by: Min Zhang <mzhang@mvista.com> Signed-off-by: David S. Miller <davem@davemloft.net> Cc: Moritz Muehlenhoff <jmm@debian.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'net')
-rw-r--r--net/ipv4/tcp.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 8bc115c84b3c..29981da7bcdf 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -2232,7 +2232,7 @@ static int do_tcp_setsockopt(struct sock *sk, int level,
/* Values greater than interface MTU won't take effect. However
* at the point when this call is done we typically don't yet
* know which interface is going to be used */
- if (val < 64 || val > MAX_TCP_WINDOW) {
+ if (val < TCP_MIN_MSS || val > MAX_TCP_WINDOW) {
err = -EINVAL;
break;
}