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

brgl · Christoph Hellwig · commit 76ecfcb0852e · 2020-10-07T15:46:22.000+02:00
pr_*() printing helpers are preferred over using bare printk().

Signed-off-by: Bartosz Golaszewski &lt;bgolaszewski@baylibre.com&gt;
Signed-off-by: Christoph Hellwig &lt;hch@lst.de&gt;
diff --git 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;
 		}
 	}

Original file line number	Diff line number	Diff line change
`@@ -341,9 +341,8 @@ static int __init configfs_example_init(void)`
`341`	`341`	`mutex_init(&subsys->su_mutex);`
`342`	`342`	`ret = configfs_register_subsystem(subsys);`
`343`	`343`	`if (ret) {`
`344`		`- printk(KERN_ERR "Error %d while registering subsystem %s\n",`
`345`		`- ret,`
`346`		`- subsys->su_group.cg_item.ci_namebuf);`
	`344`	`+ pr_err("Error %d while registering subsystem %s\n",`
	`345`	`+ ret, subsys->su_group.cg_item.ci_namebuf);`
`347`	`346`	`goto out_unregister;`
`348`	`347`	`}`
`349`	`348`	`}`