samples: configfs: prefer pr_err() over bare printk(KERN_ERR

pr_*() printing helpers are preferred over using bare printk().

Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>

diff --git a/samples/configfs/configfs_sample.c b/samples/configfs/configfs_sample.c
index 83e2ad7..f9008be 100644 (file)
--- a/samples/configfs/configfs_sample.c
+++ b/samples/configfs/configfs_sample.c
@@ -341,9 +341,8 @@ static int __init configfs_example_init(void)
                mutex_init(&subsys->su_mutex);
                ret = configfs_register_subsystem(subsys);
                if (ret) {
-                       printk(KERN_ERR "Error %d while registering subsystem %s\n",
-                              ret,
-                              subsys->su_group.cg_item.ci_namebuf);
+                       pr_err("Error %d while registering subsystem %s\n",
+                              ret, subsys->su_group.cg_item.ci_namebuf);
                        goto out_unregister;
                }
        }