[PATCH] kobject: quiet errors in kobject_add

People don't like released kernels yelling at them, no matter how real the
error might be.  So only report it if CONFIG_KOBJECT_DEBUG is enabled.

Sent on request of Andrew Morton.

(akpm: should bring this back post-2.6.17)
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>

lib/kobject.c

@@ -198,14 +198,14 @@ int kobject_add(struct kobject * kobj)
 
 		/* be noisy on error issues */
 		if (error == -EEXIST)
-			printk("kobject_add failed for %s with -EEXIST, "
+			pr_debug("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",
+			pr_debug("kobject_add failed for %s (%d)\n",
 			       kobject_name(kobj), error);
-		dump_stack();
+		/* dump_stack(); */
 	}
 
 	return error;