diff options
author | Michael S. Tsirkin <mst@redhat.com> | 2010-10-31 19:06:47 +0200 |
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committer | Michael S. Tsirkin <mst@redhat.com> | 2010-11-13 23:22:01 +0200 |
commit | a5fd2c345f7a616e48e7f2be8b3060d23252180c (patch) | |
tree | 40edab4c02a4b18c29c26b97543bb26792052573 | |
parent | 54cdaa1bad3885448ef39faad93d40be3b223519 (diff) | |
download | hqemu-a5fd2c345f7a616e48e7f2be8b3060d23252180c.zip hqemu-a5fd2c345f7a616e48e7f2be8b3060d23252180c.tar.gz |
tap: make set_offload a nop after netdev cleanup
virtio-net expects set_offload to succeed after
peer cleanup.
Since we don't have an open fd anymore, make it so.
Fixes warning about the failure of offload setting.
Reported-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
-rw-r--r-- | net/tap.c | 6 |
1 files changed, 5 insertions, 1 deletions
@@ -269,8 +269,11 @@ void tap_set_offload(VLANClientState *nc, int csum, int tso4, int tso6, int ecn, int ufo) { TAPState *s = DO_UPCAST(TAPState, nc, nc); + if (s->fd < 0) { + return; + } - return tap_fd_set_offload(s->fd, csum, tso4, tso6, ecn, ufo); + tap_fd_set_offload(s->fd, csum, tso4, tso6, ecn, ufo); } static void tap_cleanup(VLANClientState *nc) @@ -290,6 +293,7 @@ static void tap_cleanup(VLANClientState *nc) tap_read_poll(s, 0); tap_write_poll(s, 0); close(s->fd); + s->fd = -1; } static void tap_poll(VLANClientState *nc, bool enable) |