From: Tobias Schramm <tobleminer@gmail.com>
Date: Sun, 18 Feb 2018 12:46:10 +0000 (+0100)
Subject: uclient: Handle memory allocation failure for url
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=2ac991bc53a56fa1109d9477d9d83e1ddd11e00d;p=project%2Fuclient.git

uclient: Handle memory allocation failure for url

Check ptr to url after allocation to prevent null pointer
dereference

Signed-off-by: Tobias Schramm <tobleminer@gmail.com>
---

diff --git a/uclient.c b/uclient.c
index 8862b55..1137168 100644
--- a/uclient.c
+++ b/uclient.c
@@ -59,6 +59,9 @@ __uclient_get_url(const struct uclient_backend *backend,
 		&uri_buf, strlen(location) + 1,
 		&auth_buf, auth_str ? strlen(auth_str) + 1 : 0);
 
+	if (!url)
+		return NULL;
+
 	url->backend = backend;
 	url->location = strcpy(uri_buf, location);
 	if (host)