[dpdk-dev] [PATCH 1/3] vhost: add missing check strdup() return value

[Jens Freimann <jfreimann@redhat.com>]

From: Jens Freimann <jfreiman@redhat.com>

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>
---
 lib/librte_vhost/socket.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/lib/librte_vhost/socket.c b/lib/librte_vhost/socket.c
index 9720773..42b25d3 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;
-- 
2.9.4