cgclassify: use the error message instead of error number

It's more readable and friendly to use the detailed error
message instead of error number as other places.

Signed-off-by: Weng Meiling <wengmeiling.weng@huawei.com>
Acked-by: Ivana Hutarov Varekova <varekova@redhat.com>

diff --git a/src/tools/cgclassify.c b/src/tools/cgclassify.c
index c136c833371c79f9578038e03b0820c8cd569e95..2f80aca3fd64f17167599eca9819ba8fa5272e09 100644 (file)
--- a/src/tools/cgclassify.c
+++ b/src/tools/cgclassify.c
@@ -170,7 +170,8 @@ int main(int argc, char *argv[])
        /* Initialize libcg */
        ret = cgroup_init();
        if (ret) {
-               fprintf(stderr, "libcgroup initialization failed:%d\n", ret);
+               fprintf(stderr, "%s: libcgroup initialization failed: %s\n",
+                       argv[0], cgroup_strerror(ret));
                return ret;
        }