From 63dd59bd2e8327091d2a57e4f4c7e5b2378eb2ce Mon Sep 17 00:00:00 2001
From: Michael Drake <michael.drake@codethink.co.uk>
Date: Mon, 24 Feb 2020 14:34:37 +0000
Subject: Cache backing store: Add missing calloc check.

Found by coverity:

CID 1419831:  Null pointer dereferences  (NULL_RETURNS)
>>>     Dereferencing a pointer that might be "NULL" "url" when calling "read".
---
 content/fs_backing_store.c | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'content/fs_backing_store.c')

diff --git a/content/fs_backing_store.c b/content/fs_backing_store.c
index 272f251ea..481519da0 100644
--- a/content/fs_backing_store.c
+++ b/content/fs_backing_store.c
@@ -1159,6 +1159,11 @@ read_entries(struct store_state *state)
 		uint32_t urllen;
 		while (read(fd, &urllen, sizeof(urllen)) == sizeof(urllen)) {
 			url = calloc(1, urllen+1);
+			if (url == NULL) {
+				close(fd);
+				free(fname);
+				return NSERROR_NOMEM;
+			}
 			if (read(fd, url, urllen) != urllen) {
 				free(url);
 				close(fd);
-- 
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