Merge tag 'fbdev-fixes-3.13' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba...

[linux-drm-fsl-dcu.git] / drivers / s390 / block / dasd_eckd.c

diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c
index cee7e2708a1fe35359eb81cc458d939e50ad1906..95e45782692fa7bb2a89e9ec566a6a035f736381 100644 (file)
--- a/drivers/s390/block/dasd_eckd.c
+++ b/drivers/s390/block/dasd_eckd.c
@@ -3224,6 +3224,8 @@ static struct dasd_ccw_req *dasd_eckd_build_cp(struct dasd_device *startdev,
 
        fcx_multitrack = private->features.feature[40] & 0x20;
        data_size = blk_rq_bytes(req);
+       if (data_size % blksize)
+               return ERR_PTR(-EINVAL);
        /* tpm write request add CBC data on each track boundary */
        if (rq_data_dir(req) == WRITE)
                data_size += (last_trk - first_trk) * 4;