linux-kernel - [RESEND PATCH] irq_work: Don't reinvent the wheel but use existing llist API

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Date:   Fri, 12 May 2017 09:45:35 +0900
From:   Byungchul Park <byungchul.park@....com>
To:     <fweisbec@...il.com>
CC:     <linux-kernel@...r.kernel.org>, <kernel-team@....com>
Subject: [RESEND PATCH] irq_work: Don't reinvent the wheel but use existing llist API

Although llist provides proper APIs, they are not used. Make them used.

Signed-off-by: Byungchul Park <byungchul.park@....com>
---
 kernel/irq_work.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/kernel/irq_work.c b/kernel/irq_work.c
index bcf107c..e2ebe8c 100644
--- a/kernel/irq_work.c
+++ b/kernel/irq_work.c
@@ -138,11 +138,7 @@ static void irq_work_run_list(struct llist_head *list)
 		return;
 
 	llnode = llist_del_all(list);
-	while (llnode != NULL) {
-		work = llist_entry(llnode, struct irq_work, llnode);
-
-		llnode = llist_next(llnode);
-
+	llist_for_each_entry(work, llnode, llnode) {
 		/*
 		 * Clear the PENDING bit, after this point the @work
 		 * can be re-used.
-- 
1.9.1