[Qemu-devel] [PATCH] Don't abort if TUNSETSNDBUF fails where no sndbuf= arg is supplied

[Mark McLoughlin]

If no tap,sndbuf= arg is supplied, we use a default value. If
TUNSETSNDBUF fails in this case, we should not abort.

Signed-off-by: Mark McLoughlin <address@hidden>
---
 net.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/net.c b/net.c
index 21842d0..770162f 100644
--- a/net.c
+++ b/net.c
@@ -1416,7 +1416,7 @@ static void tap_set_sndbuf(TAPState *s, const char 
*sndbuf_str, Monitor *mon)
         sndbuf = INT_MAX;
     }
 
-    if (ioctl(s->fd, TUNSETSNDBUF, &sndbuf) == -1) {
+    if (ioctl(s->fd, TUNSETSNDBUF, &sndbuf) == -1 && sndbuf_str) {
         config_error(mon, "TUNSETSNDBUF ioctl failed: %s\n",
                      strerror(errno));
     }
-- 
1.6.2.2