From 64096b60313a51cf1f30d26da222f60b2b6f1c91 Mon Sep 17 00:00:00 2001
From: Daniel Verkamp <daniel.verkamp@intel.com>
Date: Fri, 13 Oct 2017 13:00:40 -0700
Subject: [PATCH] bdev/virtio: check allocation in virtio_user_dev_init()

Change-Id: Ib8cc74b4b975013c97c3b5cc68489d8ac9b3970d
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-on: https://review.gerrithub.io/382495
Reviewed-by: Dariusz Stojaczyk <dariuszx.stojaczyk@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
---
 lib/bdev/virtio/rte_virtio/virtio_user/virtio_user_dev.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/bdev/virtio/rte_virtio/virtio_user/virtio_user_dev.c b/lib/bdev/virtio/rte_virtio/virtio_user/virtio_user_dev.c
index 3a7590e79..34ee0dd20 100644
--- a/lib/bdev/virtio/rte_virtio/virtio_user/virtio_user_dev.c
+++ b/lib/bdev/virtio/rte_virtio/virtio_user/virtio_user_dev.c
@@ -194,6 +194,10 @@ virtio_user_dev_init(char *path, int queue_size)
 	uint64_t max_queues;
 
 	dev = calloc(1, sizeof(*dev));
+	if (dev == NULL) {
+		return NULL;
+	}
+
 	vdev = &dev->vdev;
 	vdev->is_hw = 0;