[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_diag.c b/drivers/s390/block/dasd_diag.c
index 644086ba2ede..0b89796080be 100644
--- a/drivers/s390/block/dasd_diag.c
+++ b/drivers/s390/block/dasd_diag.c
@@ -523,8 +523,7 @@ static struct dasd_ccw_req *dasd_diag_build_cp(struct dasd_device *memdev,
         /* Build the request */
         datasize = sizeof(struct dasd_diag_req) +
                 count*sizeof(struct dasd_diag_bio);
-        cqr = dasd_smalloc_request(dasd_diag_discipline.name, 0,
-                                   datasize, memdev);
+        cqr = dasd_smalloc_request(DASD_DIAG_MAGIC, 0, datasize, memdev);
         if (IS_ERR(cqr))
                 return cqr;