From: Jens Freimann <jfreimann@redhat.com>
Date: Tue, 4 Jul 2017 08:50:41 +0000 (+0200)
Subject: vhost: add missing check in driver registration
X-Git-Tag: spdx-start~2708
X-Git-Url: http://git.droids-corp.org/?p=dpdk.git;a=commitdiff_plain;h=6846128798741f70555a6ca10133458c5491cf12

vhost: add missing check in driver registration

Add a check for strdup() return value and fail gracefully if we
get a bad return code.

Signed-off-by: Jens Freimann <jfreimann@redhat.com>
Acked-by: Yuanhan Liu <yuanhan.liu@linux.intel.com>
---

diff --git a/lib/librte_vhost/socket.c b/lib/librte_vhost/socket.c
index 9720773853..42b25d3480 100644
--- a/lib/librte_vhost/socket.c
+++ b/lib/librte_vhost/socket.c
@@ -613,6 +613,12 @@ rte_vhost_driver_register(const char *path, uint64_t flags)
 		goto out;
 	memset(vsocket, 0, sizeof(struct vhost_user_socket));
 	vsocket->path = strdup(path);
+	if (vsocket->path == NULL) {
+		RTE_LOG(ERR, VHOST_CONFIG,
+			"error: failed to copy socket path string\n");
+		free(vsocket);
+		goto out;
+	}
 	TAILQ_INIT(&vsocket->conn_list);
 	pthread_mutex_init(&vsocket->conn_mutex, NULL);
 	vsocket->dequeue_zero_copy = flags & RTE_VHOST_USER_DEQUEUE_ZERO_COPY;