From: Ouyang Changchun <changchun.ouyang@intel.com>
Date: Mon, 6 Jul 2015 02:26:51 +0000 (+0800)
Subject: vhost: add log on socket bind failure
X-Git-Tag: spdx-start~8707
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=1cbf787ef8701a59a03825f64f19425cd45ba33e;p=dpdk.git

vhost: add log on socket bind failure

It adds more readable log info if a socket fails to bind to
local socket file name.

Signed-off-by: Changchun Ouyang <changchun.ouyang@intel.com>
Acked-by: Huawei Xie <huawei.xie@intel.com>
---

diff --git a/lib/librte_vhost/vhost_user/vhost-net-user.c b/lib/librte_vhost/vhost_user/vhost-net-user.c
index 87a4711708..f406a94cb2 100644
--- a/lib/librte_vhost/vhost_user/vhost-net-user.c
+++ b/lib/librte_vhost/vhost_user/vhost-net-user.c
@@ -122,8 +122,11 @@ uds_socket(const char *path)
 	un.sun_family = AF_UNIX;
 	snprintf(un.sun_path, sizeof(un.sun_path), "%s", path);
 	ret = bind(sockfd, (struct sockaddr *)&un, sizeof(un));
-	if (ret == -1)
+	if (ret == -1) {
+		RTE_LOG(ERR, VHOST_CONFIG, "fail to bind fd:%d, remove file:%s and try again.\n",
+			sockfd, path);
 		goto err;
+	}
 	RTE_LOG(INFO, VHOST_CONFIG, "bind to %s\n", path);
 
 	ret = listen(sockfd, MAX_VIRTIO_BACKLOG);