From: Kamalesh Babulal <kamalesh.babulal@oracle.com>
Date: Wed, 28 Sep 2022 15:26:47 +0000 (-0600)
Subject: tools/cgdelete: add check for the cmdline arguments
X-Git-Tag: v2.0.3~10
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0fc4d286cdc12959d2c7ed3f451ce2756e7fd179;p=thirdparty%2Flibcgroup.git

tools/cgdelete: add check for the cmdline arguments

Like other tools, throw an error and exit, if the minimum required
arguments are not passed.

Signed-off-by: Kamalesh Babulal <kamalesh.babulal@oracle.com>
Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
---

diff --git a/src/tools/cgdelete.c b/src/tools/cgdelete.c
index 13a86c38..a436d875 100644
--- a/src/tools/cgdelete.c
+++ b/src/tools/cgdelete.c
@@ -139,6 +139,11 @@ int main(int argc, char *argv[])
 	struct cgroup *cgroup;
 	struct cgroup_controller *cgc;
 
+	if (argc < 2) {
+		usage(1,  argv[0]);
+		exit (1);
+	}
+
 	/* initialize libcg */
 	ret = cgroup_init();
 	if (ret) {