From: Stephen Hemminger <sthemmin@microsoft.com>
Date: Mon, 6 Aug 2018 18:11:07 +0000 (-0700)
Subject: bus/vmbus: make sure path is null terminated
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=5ef90536d748105fcf12fa887347365bdd18e01a;p=dpdk.git

bus/vmbus: make sure path is null terminated

Use strlcpy rather than strncpy to avoid any issues about
null termination.

Coverity issue 302859
Fixes: 831dba47bd36 ("bus/vmbus: add Hyper-V virtual bus support")

Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
---

diff --git a/drivers/bus/vmbus/linux/vmbus_uio.c b/drivers/bus/vmbus/linux/vmbus_uio.c
index 0b1b153cc0..bc2c6235e6 100644
--- a/drivers/bus/vmbus/linux/vmbus_uio.c
+++ b/drivers/bus/vmbus/linux/vmbus_uio.c
@@ -18,6 +18,7 @@
 #include <rte_common.h>
 #include <rte_malloc.h>
 #include <rte_bus_vmbus.h>
+#include <rte_string_fns.h>
 
 #include "private.h"
 
@@ -89,7 +90,7 @@ vmbus_uio_alloc_resource(struct rte_vmbus_device *dev,
 		goto error;
 	}
 
-	strncpy((*uio_res)->path, devname, PATH_MAX);
+	strlcpy((*uio_res)->path, devname, PATH_MAX);
 	rte_uuid_copy((*uio_res)->id, dev->device_id);
 
 	return 0;