IB/iser: Remove redundant assignment

We clear the struct before - no need to do 0 assignment.
Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>

drivers/infiniband/ulp/iser/iser_memory.c

@@ -510,7 +510,6 @@ iser_set_prot_checks(struct scsi_cmnd *sc, u8 *mask)
 {
 	switch (scsi_get_prot_type(sc)) {
 	case SCSI_PROT_DIF_TYPE0:
-		*mask = 0x0;
 		break;
 	case SCSI_PROT_DIF_TYPE1:
 	case SCSI_PROT_DIF_TYPE2: