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@huawei.com>
Signed-off-by: Zou Wei <zou_wei@huawei.com>
Link: https://lore.kernel.org/r/1623740220-15846-1-git-send-email-zou_wei@huawei.com
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>

diff --git a/drivers/s390/char/sclp_tty.c b/drivers/s390/char/sclp_tty.c
index 4456ceb23bd2a76f23b245792a44505e4217be6f..f5591bf82a8ff927cf8063c17ec342b59f3971bf 100644 (file)
--- a/drivers/s390/char/sclp_tty.c
+++ b/drivers/s390/char/sclp_tty.c
@@ -284,7 +284,6 @@ static int
 sclp_tty_chars_in_buffer(struct tty_struct *tty)
 {
        unsigned long flags;
-       struct list_head *l;
        struct sclp_buffer *t;
        int count;
 
@@ -292,8 +291,7 @@ sclp_tty_chars_in_buffer(struct tty_struct *tty)
        count = 0;
        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);