From: Wolfgang Bumiller <w.bumiller@errno.eu>
Date: Sat, 6 Oct 2018 09:12:08 +0000 (+0200)
Subject: cgfsng: use realloc instead of malloc+copy+free
X-Git-Tag: lxc-3.1.0~64^2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F2673%2Fhead;p=thirdparty%2Flxc.git

cgfsng: use realloc instead of malloc+copy+free

Signed-off-by: Wolfgang Bumiller <w.bumiller@errno.eu>
---

diff --git a/src/lxc/cgroups/cgfsng.c b/src/lxc/cgroups/cgfsng.c
index 97913209c..71dfe72e6 100644
--- a/src/lxc/cgroups/cgfsng.c
+++ b/src/lxc/cgroups/cgfsng.c
@@ -1377,10 +1377,9 @@ __cgfsng_ops static inline bool cgfsng_monitor_create(struct cgroup_ops *ops,
 		return bret;
 
 	len = strlen(tmp) + 5; /* leave room for -NNN\0 */
-	monitor_cgroup = must_alloc(len);
-	(void)strlcpy(monitor_cgroup, tmp, len);
-	free(tmp);
+	monitor_cgroup = must_realloc(tmp, len);
 	offset = monitor_cgroup + len - 5;
+	*offset = 0;
 
 	do {
 		if (idx) {