[NETFILTER 1/2]: Fix truncated sequence numbers in FTP helper

[NETFILTER 1/2]: Fix truncated sequence numbers in FTP helper

[Patrick McHardy]

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Hi Dave,

these two fixes fix one rather serious and one annoying problem and
should go in 2.6.12.

This first patch fixes truncated sequence numbers in ip_conntrack_ftp,
the types were changed to u16 by some unfortunate patch.


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# This is a BitKeeper generated diff -Nru style patch.
#
# ChangeSet
#   2005/03/09 22:51:34+01:00 yasuyuki.kozakai@toshiba.co.jp 
#   [NETFILTER]: Fix truncated sequence numbers in FTP helper
#   
#   Signed-off-by: Yasuyuki KOZAKAI <yasuyuki.kozkaai@toshiba.co.jp>
#   Signed-off-by: Patrick McHardy <kaber@trash.net>
# 
# net/ipv4/netfilter/ip_conntrack_ftp.c
#   2005/03/09 22:51:26+01:00 yasuyuki.kozakai@toshiba.co.jp +2 -2
#   [NETFILTER]: Fix truncated sequence numbers in FTP helper
#   
#   Signed-off-by: Yasuyuki KOZAKAI <yasuyuki.kozkaai@toshiba.co.jp>
#   Signed-off-by: Patrick McHardy <kaber@trash.net>
# 
diff -Nru a/net/ipv4/netfilter/ip_conntrack_ftp.c b/net/ipv4/netfilter/ip_conntrack_ftp.c
--- a/net/ipv4/netfilter/ip_conntrack_ftp.c	2005-04-18 03:59:47 +02:00
+++ b/net/ipv4/netfilter/ip_conntrack_ftp.c	2005-04-18 03:59:47 +02:00
@@ -252,7 +252,7 @@
 }
 
 /* Look up to see if we're just after a \n. */
-static int find_nl_seq(u16 seq, const struct ip_ct_ftp_master *info, int dir)
+static int find_nl_seq(u32 seq, const struct ip_ct_ftp_master *info, int dir)
 {
 	unsigned int i;
 
@@ -263,7 +263,7 @@
 }
 
 /* We don't update if it's older than what we have. */
-static void update_nl_seq(u16 nl_seq, struct ip_ct_ftp_master *info, int dir)
+static void update_nl_seq(u32 nl_seq, struct ip_ct_ftp_master *info, int dir)
 {
 	unsigned int i, oldest = NUM_SEQ_TO_REMEMBER;