[S390] dasd: optimize cpu usage in goodcase

remove unnecessary dbf call, remove string operations for magic

Signed-off-by: Stefan Haberland <stefan.haberland@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

1 files changed, 1 insertions, 2 deletions

diff --git a/drivers/s390/block/dasd_alias.c b/drivers/s390/block/dasd_alias.c
index 5b7bbc87593b..b9efd09cefef 100644
--- a/drivers/s390/block/dasd_alias.c
+++ b/drivers/s390/block/dasd_alias.c
@@ -379,8 +379,7 @@ static int read_unit_address_configuration(struct dasd_device *device,
         int rc;
         unsigned long flags;
 
-        cqr = dasd_kmalloc_request("ECKD",
-                                   1 /* PSF */  + 1 /* RSSD */ ,
+        cqr = dasd_kmalloc_request(DASD_ECKD_MAGIC, 1 /* PSF */ + 1 /* RSSD */,
                                    (sizeof(struct dasd_psf_prssd_data)),
                                    device);
         if (IS_ERR(cqr))