From: Jan Safranek <jsafrane@redhat.com>
Date: Wed, 24 Aug 2011 09:39:51 +0000 (+0200)
Subject: lssubsys: remove unused variable
X-Git-Tag: v0.38~63
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9f0b52ad5a3f893cea736da97fed37090a91ea82;p=thirdparty%2Flibcgroup.git

lssubsys: remove unused variable

Remove one unused variable and add more descriptive comment.

Signed-off-by: Jan Safranek <jsafrane@redhat.com>
Acked-by: Dhaval Giani <dhaval.giani@gmail.com>
---

diff --git a/src/tools/lssubsys.c b/src/tools/lssubsys.c
index c27169f4..28ef4560 100644
--- a/src/tools/lssubsys.c
+++ b/src/tools/lssubsys.c
@@ -102,17 +102,12 @@ static int print_all_controllers_in_hierarchy(const char *tname,
 	int first = 1;
 	cont_name_t cont_names;
 	cont_name_t cont_name;
-	int init = 1;
-
-	/* initialize libcgroup */
-	ret = cgroup_init();
-	if (ret) {
-		/*
-		 * if the group is not initialised we assume
-		 * no mount points are available
-		 */
-		init = 0;
-	}
+
+	/*
+	 * Initialize libcgroup and intentionally ignore its result,
+	 * no mounted controller is valid use case.
+	 */
+	(void) cgroup_init();
 
 	ret = cgroup_get_all_controller_begin(&handle, &info);
 	if ((ret != 0) && (ret != ECGEOF)) {