net: wget: fix TCP sequence number wrap around issue
If tcp_seq_num is wrap around, tcp_seq_num >= initial_data_seq_num
isn't satisfied and store_block() isn't called.
The condition has a wrap around issue, so it is fixed in this patch.
Signed-off-by: Yasuharu Shibata <yasuharu.shibata@gmail.com>
Reviewed-by: Michael Trimarchi <michael@amarulasolutions.com>
Suggested-by: Michael Trimarchi <michael@amarulasolutions.com>
Reported-by: Tim Harvey <tharvey@gateworks.com>
Tested-by: Fabio Estevam <festevam@denx.de>
diff --git a/net/wget.c b/net/wget.c
index 71bac92..abab371 100644
--- a/net/wget.c
+++ b/net/wget.c
@@ -404,9 +404,7 @@
}
next_data_seq_num = tcp_seq_num + len;
- if (tcp_seq_num >= initial_data_seq_num &&
- store_block(pkt, tcp_seq_num - initial_data_seq_num,
- len) != 0) {
+ if (store_block(pkt, tcp_seq_num - initial_data_seq_num, len) != 0) {
wget_fail("wget: store error\n",
tcp_seq_num, tcp_ack_num, action);
net_set_state(NETLOOP_FAIL);