michaelh/zephyr
1
0
Fork 0
Code Releases Activity

net: tcp: Release buf after failing to send

Browse source 
After failing to send the buf we need to release it.
This is not done for Bluetooth or IEEE 802.15.4 links which
create a copy of the sent buf and the failure case is already
checked by net_tcp_send_buf().

Change-Id: Ia556376b58ad74f68accb64eb2221a78d59dc2ec
Signed-off-by: june li <junelizh@foxmail.com>
This commit is contained in:
june li 2017-04-08 13:45:41 +08:00 • committed by Jukka Rissanen
commit 961d7fc8f4
1 changed files with 7 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

9
subsys/net/ip/tcp.c
View file

@ -154,7 +154,9 @@ static void tcp_retry_expired(struct k_timer *timer)
struct net_buf, sent_list);
do_ref_if_needed(buf);
net_tcp_send_buf(buf);
if (net_tcp_send_buf(buf) < 0 && !is_6lo_technology(buf)) {
net_nbuf_unref(buf);
}
} else if (IS_ENABLED(CONFIG_NET_TCP_TIME_WAIT)) {
if (tcp->fin_sent && tcp->fin_rcvd) {
net_context_unref(tcp->context);
@ -764,7 +766,10 @@ int net_tcp_send_data(struct net_context *context)
*/
SYS_SLIST_FOR_EACH_CONTAINER(&context->tcp->sent_list, buf, sent_list) {
if (!net_nbuf_buf_sent(buf)) {
net_tcp_send_buf(buf);
if (net_tcp_send_buf(buf) < 0 &&
!is_6lo_technology(buf)) {
net_nbuf_unref(buf);
}
}
}