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[Qemu-devel] [PULL v2 1/2] socket: dont't free msgfds if error equals EA
From: |
Daniel P . Berrangé |
Subject: |
[Qemu-devel] [PULL v2 1/2] socket: dont't free msgfds if error equals EAGAIN |
Date: |
Thu, 28 Jun 2018 13:08:20 +0100 |
From: linzhecheng <address@hidden>
If we see EAGAIN, no data was sent over the socket, so we still have to
retry sending of msgfds next time.
Signed-off-by: linzhecheng <address@hidden>
Signed-off-by: Daniel P. Berrangé <address@hidden>
---
chardev/char-socket.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/chardev/char-socket.c b/chardev/char-socket.c
index 159e69c3b1..17519ec589 100644
--- a/chardev/char-socket.c
+++ b/chardev/char-socket.c
@@ -134,8 +134,8 @@ static int tcp_chr_write(Chardev *chr, const uint8_t *buf,
int len)
s->write_msgfds,
s->write_msgfds_num);
- /* free the written msgfds, no matter what */
- if (s->write_msgfds_num) {
+ /* free the written msgfds in any cases other than errno==EAGAIN */
+ if (EAGAIN != errno && s->write_msgfds_num) {
g_free(s->write_msgfds);
s->write_msgfds = 0;
s->write_msgfds_num = 0;
--
2.17.1