kobject: use the proper printk level for kobject error

Thanks to Jean Delvare <khali@linux-fr.org> for pointing it out to me.

Cc: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/lib/kobject.c b/lib/kobject.c
index fc5f3f6..ac15206 100644
--- a/lib/kobject.c
+++ b/lib/kobject.c
@@ -202,14 +202,14 @@
 
 		/* be noisy on error issues */
 		if (error == -EEXIST)
-			printk("kobject_add failed for %s with -EEXIST, "
-			       "don't try to register things with the "
-			       "same name in the same directory.\n",
+			printk(KERN_ERR "kobject_add failed for %s with "
+			       "-EEXIST, don't try to register things with "
+			       "the same name in the same directory.\n",
 			       kobject_name(kobj));
 		else
-			printk("kobject_add failed for %s (%d)\n",
+			printk(KERN_ERR "kobject_add failed for %s (%d)\n",
 			       kobject_name(kobj), error);
-		 dump_stack();
+		dump_stack();
 	}
 
 	return error;