linux-kernel - [PATCH] kexec: use list_for_each_entry_safe in kimage_free_page

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Date:	Wed,  9 Dec 2015 00:08:01 +0800
From:	Geliang Tang <geliangtang@....com>
To:	Andrew Morton <akpm@...ux-foundation.org>,
	Dave Young <dyoung@...hat.com>,
	Vivek Goyal <vgoyal@...hat.com>, Baoquan He <bhe@...hat.com>
Cc:	Geliang Tang <geliangtang@....com>, linux-kernel@...r.kernel.org
Subject: [PATCH] kexec: use list_for_each_entry_safe in kimage_free_page_list

Use list_for_each_entry_safe() instead of list_for_each_safe() to
simplify the code.

Signed-off-by: Geliang Tang <geliangtang@....com>
---
 kernel/kexec_core.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/kernel/kexec_core.c b/kernel/kexec_core.c
index 11b64a6..f3951c7 100644
--- a/kernel/kexec_core.c
+++ b/kernel/kexec_core.c
@@ -310,12 +310,9 @@ static void kimage_free_pages(struct page *page)
 
 void kimage_free_page_list(struct list_head *list)
 {
-	struct list_head *pos, *next;
+	struct page *page, *next;
 
-	list_for_each_safe(pos, next, list) {
-		struct page *page;
-
-		page = list_entry(pos, struct page, lru);
+	list_for_each_entry_safe(page, next, list, lru) {
 		list_del(&page->lru);
 		kimage_free_pages(page);
 	}
-- 
2.5.0


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