From: Yousong Zhou <yszhou4tech@gmail.com>
Date: Mon, 20 Mar 2017 02:46:15 +0000 (+0800)
Subject: libbb: xreadlink: fix memory leak on failure case
X-Git-Url: https://git.librecmc.org/?p=oweals%2Fopkg-lede.git;a=commitdiff_plain;h=7a9697267d937b18f89763c28f11a2e1b4018542

libbb: xreadlink: fix memory leak on failure case

Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>
---

diff --git a/libbb/xreadlink.c b/libbb/xreadlink.c
index 596a763..29949d1 100644
--- a/libbb/xreadlink.c
+++ b/libbb/xreadlink.c
@@ -25,6 +25,7 @@ extern char *xreadlink(const char *path)
 		readsize = readlink(path, buf, bufsize);	/* 1st try */
 		if (readsize == -1) {
 			perror_msg("%s", path);
+			free(buf);
 			return NULL;
 		}
 	}