From ef6e11fdb787925d64a17be9bda372e958b27664 Mon Sep 17 00:00:00 2001 From: Ivana Hutarova Varekova Date: Wed, 28 Jul 2010 14:11:45 +0200 Subject: [PATCH] add the return value check in lssubsys I This patch add one return value check for lssubsys Signed-off-by: Ivana Hutarova Varekova Signed-off-by: Jan Safranek --- src/tools/lssubsys.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/src/tools/lssubsys.c b/src/tools/lssubsys.c index 306d4e0e..89d02290 100644 --- a/src/tools/lssubsys.c +++ b/src/tools/lssubsys.c @@ -60,6 +60,11 @@ static int print_controller(cont_name_t cont_name, int flags) int output = 0; ret = cgroup_get_controller_begin(&handle, &controller); + if (ret != 0) { + fprintf(stderr, "cannot read controller data: %s\n", + cgroup_strerror(ret)); + return ret; + } path[0] = '\0'; name[0] = '\0'; -- 2.47.2