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vhost-user: check qemu_chr_fe_set_msgfds() return value 

Check qemu_chr_fe_set_msgfds() for errors, to make sure the message to
be sent is correct.

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>
This commit is contained in:
Marc-André Lureau 2016-07-27 01:15:10 +04:00 committed by Michael S. Tsirkin
parent df3485a148
commit 6fab2f3f60
1 changed files with 3 additions and 1 deletions
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4
hw/virtio/vhost-user.c
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@ -187,7 +187,9 @@ static int vhost_user_write(struct vhost_dev *dev, VhostUserMsg *msg,
return 0; return 0;
} }
qemu_chr_fe_set_msgfds(chr, fds, fd_num); if (qemu_chr_fe_set_msgfds(chr, fds, fd_num) < 0) {
return -1;
}
return qemu_chr_fe_write_all(chr, (const uint8_t *) msg, size) == size ? return qemu_chr_fe_write_all(chr, (const uint8_t *) msg, size) == size ?
0 : -1; 0 : -1;