From 90396f96b7da0e2305ffe0266d22b6f8221f28ba Mon Sep 17 00:00:00 2001
From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Date: Tue, 22 Sep 2009 16:45:50 -0700
Subject: kcore: more fixes for init

proc_kcore_init() doesn't check NULL case.  fix it and remove unnecessary
comments.

Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Acked-by: WANG Cong <xiyou.wangcong@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 fs/proc/kcore.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'fs')

diff --git a/fs/proc/kcore.c b/fs/proc/kcore.c
index c6a5ec731972..70733780fdd9 100644
--- a/fs/proc/kcore.c
+++ b/fs/proc/kcore.c
@@ -606,6 +606,10 @@ static int __init proc_kcore_init(void)
 {
 	proc_root_kcore = proc_create("kcore", S_IRUSR, NULL,
 				      &proc_kcore_operations);
+	if (!proc_root_kcore) {
+		printk(KERN_ERR "couldn't create /proc/kcore\n");
+		return 0; /* Always returns 0. */
+	}
 	/* Store text area if it's special */
 	proc_kcore_text_init();
 	/* Store vmalloc area */
@@ -615,7 +619,6 @@ static int __init proc_kcore_init(void)
 	/* Store direct-map area from physical memory map */
 	kcore_update_ram();
 	hotplug_memory_notifier(kcore_callback, 0);
-	/* Other special area, area-for-module etc is arch specific. */
 
 	return 0;
 }
-- 
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