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-rw-r--r--net/tap.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/net/tap.c b/net/tap.c
index 2d5099b9be..8847ce100a 100644
--- a/net/tap.c
+++ b/net/tap.c
@@ -190,7 +190,7 @@ static void tap_send(void *opaque)
TAPState *s = opaque;
int size;
- do {
+ while (qemu_can_send_packet(&s->nc)) {
uint8_t *buf = s->buf;
size = tap_read_packet(s->fd, s->buf, sizeof(s->buf));
@@ -206,8 +206,11 @@ static void tap_send(void *opaque)
size = qemu_send_packet_async(&s->nc, buf, size, tap_send_completed);
if (size == 0) {
tap_read_poll(s, false);
+ break;
+ } else if (size < 0) {
+ break;
}
- } while (size > 0 && qemu_can_send_packet(&s->nc));
+ }
}
static bool tap_has_ufo(NetClientState *nc)