From: Jo-Philipp Wich <jow@openwrt.org>
Date: Fri, 19 Jul 2013 14:43:35 +0000 (+0200)
Subject: block: fix possible NULL pointer dereference in mount_device()
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=0828095b1600fe19dc1112fbcde84a3cbfa8b2b5;p=project%2Fubox.git

block: fix possible NULL pointer dereference in mount_device()
---

diff --git a/block.c b/block.c
index edfa627..860a95c 100644
--- a/block.c
+++ b/block.c
@@ -481,11 +481,13 @@ static void check_filesystem(struct blkid_struct_probe *pr)
 static int mount_device(struct blkid_struct_probe *pr, int hotplug)
 {
 	struct mount *m;
-	char *device = basename(pr->dev);
+	char *device;
 
 	if (!pr)
 		return -1;
 
+	device = basename(pr->dev);
+
 	if (!strcmp(pr->id->name, "swap")) {
 		if (hotplug && !auto_swap)
 			return -1;