From: Marc-André Lureau Date: Tue, 26 Jul 2016 21:15:10 +0000 (+0400) Subject: vhost-user: check qemu_chr_fe_set_msgfds() return value X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=6fab2f3f6064ad0a712c6d9213b9151bcc87c3d6;p=qemu.git 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 Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- diff --git a/hw/virtio/vhost-user.c b/hw/virtio/vhost-user.c index f01b92f512..5dae49615c 100644 --- a/hw/virtio/vhost-user.c +++ b/hw/virtio/vhost-user.c @@ -187,7 +187,9 @@ static int vhost_user_write(struct vhost_dev *dev, VhostUserMsg *msg, 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 ? 0 : -1;