From a6cdd9a6989c00e9c2e322607c806188a1a5182a Mon Sep 17 00:00:00 2001
From: Juan RP <xtraeme@gmail.com>
Date: Tue, 7 Oct 2014 11:07:24 +0200
Subject: [PATCH] lib/fetch/common.c: CID 62709 (NULL pointer dereference)

---
 lib/fetch/common.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/fetch/common.c b/lib/fetch/common.c
index c212c5fb..1ea017bd 100644
--- a/lib/fetch/common.c
+++ b/lib/fetch/common.c
@@ -520,6 +520,8 @@ fetch_read(conn_t *conn, char *buf, size_t len)
 	ssize_t rlen;
 	int r;
 
+	if (!buf)
+		return -1;
 	if (len == 0)
 		return 0;