[PATCH -next] s390/sclp: convert list_for_each to entry variant

From: Zou Wei
Date: Tue Jun 15 2021 - 02:38:41 EST


convert list_for_each() to list_for_each_entry() where
applicable.

Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
Signed-off-by: Zou Wei <zou_wei@xxxxxxxxxx>
---
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