IB/srp: Remove redundant memset()

scsi_host_alloc() already allocates with kzalloc(), so the struct Scsi_Host
is zeroed out, including the private data portion.  Remove the redundant
memset that zeros this out again in the SRP initiator.

Signed-off-by: Ishai Rabinovitz <ishai@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>

drivers/infiniband/ulp/srp/ib_srp.c

@@ -1708,7 +1708,6 @@ static ssize_t srp_create_target(struct class_device *class_dev,
 	target_host->max_lun = SRP_MAX_LUN;
 
 	target = host_to_target(target_host);
-	memset(target, 0, sizeof *target);
 
 	target->io_class   = SRP_REV16A_IB_IO_CLASS;
 	target->scsi_host  = target_host;