s390/mem_detect: Use IS_ENABLED(CONFIG_BLK_DEV_INITRD)

IS_ENABLED should generally use CONFIG_ prefaced symbols and
it doesn't appear as if there is a BLK_DEV_INITRD define.

Cc: <stable@vger.kernel.org> # 4.20
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Joe Perches 2019-03-07 15:51:45 -08:00 committed by Martin Schwidefsky
parent 9936328b41
commit 2d4ea4b95c
1 changed files with 1 additions and 1 deletions

View File

@ -25,7 +25,7 @@ static void *mem_detect_alloc_extended(void)
{
unsigned long offset = ALIGN(mem_safe_offset(), sizeof(u64));
if (IS_ENABLED(BLK_DEV_INITRD) && INITRD_START && INITRD_SIZE &&
if (IS_ENABLED(CONFIG_BLK_DEV_INITRD) && INITRD_START && INITRD_SIZE &&
INITRD_START < offset + ENTRIES_EXTENDED_MAX)
offset = ALIGN(INITRD_START + INITRD_SIZE, sizeof(u64));