[S390] dasd: get rid of compile warning

Get rid of this:

drivers/s390/block/dasd_eckd.c: In function 'dasd_eckd_build_cp_tpm_track.clone.8':
drivers/s390/block/dasd_eckd.c:2589:34: warning: 'len_to_track_end' may be used uninitialized in this function

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c
index a9fe23d5bd0f73417ab4f51013ec2654bce7d185..379d8592bc6e371a24ac960eaff5b11a8a20909e 100644 (file)
--- a/drivers/s390/block/dasd_eckd.c
+++ b/drivers/s390/block/dasd_eckd.c
@@ -2648,6 +2648,7 @@ static struct dasd_ccw_req *dasd_eckd_build_cp_tpm_track(
                dasd_sfree_request(cqr, startdev);
                return ERR_PTR(-EAGAIN);
        }
+       len_to_track_end = 0;
        /*
         * A tidaw can address 4k of memory, but must not cross page boundaries
         * We can let the block layer handle this by setting