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authorMasahiro Yamada <yamada.masahiro@socionext.com>2016-09-13 03:10:39 +0900
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2016-09-20 14:26:04 +0200
commitf296190e41ee1e1e6912f0ddae09b28e9cfae48d (patch)
tree581f8993cd2c41f96cac539cdb9e590c4022bd89 /arch/s390/kernel/crash_dump.c
parent9078a54996a0989e25a04bbb9276bc340a52a673 (diff)
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>
Diffstat (limited to 'arch/s390/kernel/crash_dump.c')
-rw-r--r--arch/s390/kernel/crash_dump.c4
1 files changed, 1 insertions, 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);
}
/*