From: Dwight Engen <dwight.engen@oracle.com>
Date: Tue, 29 Oct 2013 18:49:16 +0000 (-0400)
Subject: coverity 1097618: check for NULL return from calloc before deref
X-Git-Tag: lxc-1.0.0.alpha3~46
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=50266dc604ac8df63328e84376414de7448869b1;p=thirdparty%2Flxc.git

coverity 1097618: check for NULL return from calloc before deref

Signed-off-by: Dwight Engen <dwight.engen@oracle.com>
Acked-by: Stéphane Graber <stgraber@ubuntu.com>
---

diff --git a/src/lxc/cgroup.c b/src/lxc/cgroup.c
index cf1605af1..6aa449512 100644
--- a/src/lxc/cgroup.c
+++ b/src/lxc/cgroup.c
@@ -1688,6 +1688,8 @@ char *cgroup_to_absolute_path(struct cgroup_mount_point *mp, const char *path, c
 
 	len = strlen(mp->mount_point) + strlen(path) + (suffix ? strlen(suffix) : 0);
 	buf = calloc(len + 1, 1);
+	if (!buf)
+		return NULL;
 	rv = snprintf(buf, len + 1, "%s%s%s", mp->mount_point, path, suffix ? suffix : "");
 	if (rv > len) {
 		free(buf);