From: Felix Fietkau <nbd@openwrt.org>
Date: Sat, 12 Apr 2014 18:23:23 +0000 (+0200)
Subject: blobmsg_json: fix a memleak on error
X-Git-Url: http://git.archive.openwrt.org/?p=project%2Flibubox.git;a=commitdiff_plain;h=31b2d244fdd9e232b9686c1ffd833518b712d884

blobmsg_json: fix a memleak on error

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
---

diff --git a/blobmsg_json.c b/blobmsg_json.c
index c84fd93..3b32b93 100644
--- a/blobmsg_json.c
+++ b/blobmsg_json.c
@@ -304,8 +304,10 @@ char *blobmsg_format_json_with_cb(struct blob_attr *attr, bool list, blobmsg_jso
 	else
 		blobmsg_format_element(&s, attr, false, false);
 
-	if (!s.len)
+	if (!s.len) {
+		free(s.buf);
 		return NULL;
+	}
 
 	s.buf = realloc(s.buf, s.pos + 1);
 	s.buf[s.pos] = 0;