iscsi: kill redundant casts

Remove two redundant casts from char * to char *.
Signed-off-by: Nick Black <nlb@google.com>
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: Christoph Hellwig <hch@lst.de>

drivers/scsi/scsi_transport_iscsi.c

@@ -3059,7 +3059,7 @@ iscsi_get_chap(struct iscsi_transport *transport, struct nlmsghdr *nlh)
 		evchap->u.get_chap.host_no = ev->u.get_chap.host_no;
 		evchap->u.get_chap.chap_tbl_idx = ev->u.get_chap.chap_tbl_idx;
 		evchap->u.get_chap.num_entries = ev->u.get_chap.num_entries;
-		buf = (char *) ((char *)evchap + sizeof(*evchap));
+		buf = (char *)evchap + sizeof(*evchap);
 		memset(buf, 0, chap_buf_size);
 
 		err = transport->get_chap(shost, ev->u.get_chap.chap_tbl_idx,
@@ -3463,7 +3463,7 @@ iscsi_get_host_stats(struct iscsi_transport *transport, struct nlmsghdr *nlh)
 		evhost_stats->type = nlh->nlmsg_type;
 		evhost_stats->u.get_host_stats.host_no =
 					ev->u.get_host_stats.host_no;
-		buf = (char *)((char *)evhost_stats + sizeof(*evhost_stats));
+		buf = (char *)evhost_stats + sizeof(*evhost_stats);
 		memset(buf, 0, host_stats_size);
 
 		err = transport->get_host_stats(shost, buf, host_stats_size);