[PATCH 5.0 093/115] s390/mem_detect: Use IS_ENABLED(CONFIG_BLK_DEV_INITRD)

[Greg Kroah-Hartman]

From: Joe Perches <joe@xxxxxxxxxxx>

commit 2d4ea4b95cae3133de6b18ec5d5a42ee824fa0ef upstream.

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

Cc: <stable@xxxxxxxxxxxxxxx> # 4.20
Signed-off-by: Joe Perches <joe@xxxxxxxxxxx>
Signed-off-by: Martin Schwidefsky <schwidefsky@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
 arch/s390/boot/mem_detect.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/arch/s390/boot/mem_detect.c
+++ b/arch/s390/boot/mem_detect.c
@@ -25,7 +25,7 @@ static void *mem_detect_alloc_extended(v
 {
 	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));