vhost-user: disconnect on HUP
commit9c7d18b3a59f6e4464543905dede90f1a65096cc
authorMarc-André Lureau <marcandre.lureau@redhat.com>
Tue, 26 Jul 2016 21:14:57 +0000 (27 01:14 +0400)
committerMichael S. Tsirkin <mst@redhat.com>
Thu, 28 Jul 2016 21:33:46 +0000 (29 00:33 +0300)
tree9ecb2b804fe9f6db009115d924fdc9b40fa7ed36
parentd9d261142d554504a32d95b771e9d8191631323f
vhost-user: disconnect on HUP

In some cases, qemu_chr_fe_read_all() on HUP event doesn't raise
CHR_EVENT_CLOSED because the read/recv function returns -1 on
disconnected peers (for example with tch_chr_recv, an ECONNRESET errno
overwritten as EIO).

It is simpler to explicitely disconnect on HUP, rising CHR_EVENT_CLOSED
if it wasn't disconnected already.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
net/vhost-user.c