Commit f296190e authored Sep 13, 2016 by Masahiro Yamada Committed by Martin Schwidefsky Sep 20, 2016

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 <yamada.masahiro@socionext.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

parent 9078a549

arch/s390/kernel/crash_dump.c

+1 −3

Original line number	Diff line number	Diff line
		@@ -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);
		}

		/*