From f296190e41ee1e1e6912f0ddae09b28e9cfae48d Mon Sep 17 00:00:00 2001 From: Masahiro Yamada Date: Tue, 13 Sep 2016 03:10:39 +0900 Subject: [PATCH] s390/crashdump: use list_first_entry_or_null The combo of list_empty() check and return list_first_entry() can be replaced with list_first_entry_or_null(). Signed-off-by: Masahiro Yamada Signed-off-by: Heiko Carstens Signed-off-by: Martin Schwidefsky --- arch/s390/kernel/crash_dump.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/arch/s390/kernel/crash_dump.c b/arch/s390/kernel/crash_dump.c index 29df8484282b..f9293bfefb7f 100644 --- a/arch/s390/kernel/crash_dump.c +++ b/arch/s390/kernel/crash_dump.c @@ -71,9 +71,7 @@ struct save_area * __init save_area_alloc(bool is_boot_cpu) */ struct save_area * __init save_area_boot_cpu(void) { - if (list_empty(&dump_save_areas)) - return NULL; - return list_first_entry(&dump_save_areas, struct save_area, list); + return list_first_entry_or_null(&dump_save_areas, struct save_area, list); } /* -- 2.20.1