From: Chenbo Xia <chenbo.xia@intel.com>
Date: Wed, 10 Apr 2019 02:44:05 +0000 (+0000)
Subject: net/virtio-user: fix return value check
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=1e9868885f2ed388e827e8ce27d4b690c9b2fb90;p=dpdk.git

net/virtio-user: fix return value check

Fix unchecked return value for fcntl.

Coverity issue: 277210
Fixes: bd8f50a45d0f ("net/virtio-user: support server mode")
Cc: stable@dpdk.org

Signed-off-by: Chenbo Xia <chenbo.xia@intel.com>
Acked-by: Rami Rosen <ramirose@gmail.com>
Reviewed-by: Jens Freimann <jfreimann@redhat.com>
Reviewed-by: Tiwei Bie <tiwei.bie@intel.com>
---

diff --git a/drivers/net/virtio/virtio_user/vhost_user.c b/drivers/net/virtio/virtio_user/vhost_user.c
index 827a48ad67..4b74bd2d80 100644
--- a/drivers/net/virtio/virtio_user/vhost_user.c
+++ b/drivers/net/virtio/virtio_user/vhost_user.c
@@ -394,7 +394,10 @@ virtio_user_start_server(struct virtio_user_dev *dev, struct sockaddr_un *un)
 		return -1;
 
 	flag = fcntl(fd, F_GETFL);
-	fcntl(fd, F_SETFL, flag | O_NONBLOCK);
+	if (fcntl(fd, F_SETFL, flag | O_NONBLOCK) < 0) {
+		PMD_DRV_LOG(ERR, "fcntl failed, %s", strerror(errno));
+		return -1;
+	}
 
 	return 0;
 }