linux-kernel - [PATCH -next] s390/sclp: convert list_for

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Date:   Tue, 15 Jun 2021 14:57:00 +0800
From:   Zou Wei <zou_wei@...wei.com>
To:     <hca@...ux.ibm.com>, <gor@...ux.ibm.com>, <borntraeger@...ibm.com>,
        <gregkh@...uxfoundation.org>, <jirislaby@...nel.org>,
        <vneethv@...ux.ibm.com>, <dsterba@...e.com>,
        <oberpar@...ux.ibm.com>
CC:     <linux-s390@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Zou Wei <zou_wei@...wei.com>
Subject: [PATCH -next] s390/sclp: convert list_for_each to entry variant

convert list_for_each() to list_for_each_entry() where
applicable.

Reported-by: Hulk Robot <hulkci@...wei.com>
Signed-off-by: Zou Wei <zou_wei@...wei.com>
---
 drivers/s390/char/sclp_tty.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/s390/char/sclp_tty.c b/drivers/s390/char/sclp_tty.c
index 162127f..6be9de8 100644
--- a/drivers/s390/char/sclp_tty.c
+++ b/drivers/s390/char/sclp_tty.c
@@ -284,15 +284,13 @@ static unsigned int
 sclp_tty_chars_in_buffer(struct tty_struct *tty)
 {
 	unsigned long flags;
-	struct list_head *l;
 	struct sclp_buffer *t;
 	unsigned int count = 0;
 
 	spin_lock_irqsave(&sclp_tty_lock, flags);
 	if (sclp_ttybuf != NULL)
 		count = sclp_chars_in_buffer(sclp_ttybuf);
-	list_for_each(l, &sclp_tty_outqueue) {
-		t = list_entry(l, struct sclp_buffer, list);
+	list_for_each_entry(t, &sclp_tty_outqueue, list) {
 		count += sclp_chars_in_buffer(t);
 	}
 	spin_unlock_irqrestore(&sclp_tty_lock, flags);
-- 
2.6.2