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>

coverity 1097618: check for NULL return from calloc before deref
50266dc6 · Dwight Engen · Stéphane Graber · 4e03ae57 · 50266dc6
Commit 50266dc6 authored Oct 29, 2013 by Dwight Engen Committed by Stéphane Graber Oct 29, 2013
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cgroup.c src/lxc/cgroup.c +2 -0

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--- 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);