6 files changed, 17 insertions, 16 deletions

diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c
index 180a008d38ea..2f16f543079b 100644
--- a/drivers/s390/block/dasd_eckd.c
+++ b/drivers/s390/block/dasd_eckd.c
@@ -4561,9 +4561,9 @@ static struct dasd_ccw_req *dasd_eckd_build_cp_tpm_track(
 	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
-	 * blk_queue_segment_boundary to page boundaries and
-	 * blk_max_segment_size to page size when setting up the request queue.
+	 * We can let the block layer handle this by setting seg_boundary_mask
+	 * to page boundaries and max_segment_size to page size when setting up
+	 * the request queue.
 	 * For write requests, a TIDAW must not cross track boundaries, because
 	 * we have to set the CBC flag on the last tidaw for each track.
 	 */
diff --git a/drivers/s390/block/dasd_ioctl.c b/drivers/s390/block/dasd_ioctl.c
index 7e0ed7032f76..eb5dcbe37230 100644
--- a/drivers/s390/block/dasd_ioctl.c
+++ b/drivers/s390/block/dasd_ioctl.c
@@ -215,7 +215,7 @@ dasd_format(struct dasd_block *block, struct format_data_t *fdata)
 	 * enabling the device later.
 	 */
 	if (fdata->start_unit == 0) {
-		block->gdp->part0->bd_inode->i_blkbits =
+		block->gdp->part0->bd_mapping->host->i_blkbits =
 			blksize_bits(fdata->blksize);
 	}
 
diff --git a/drivers/s390/cio/idset.c b/drivers/s390/cio/idset.c
index 45f9c0736be4..e5f28370a903 100644
--- a/drivers/s390/cio/idset.c
+++ b/drivers/s390/cio/idset.c
@@ -16,20 +16,21 @@ struct idset {
 	unsigned long bitmap[];
 };
 
-static inline unsigned long bitmap_size(int num_ssid, int num_id)
+static inline unsigned long idset_bitmap_size(int num_ssid, int num_id)
 {
-	return BITS_TO_LONGS(num_ssid * num_id) * sizeof(unsigned long);
+	return bitmap_size(size_mul(num_ssid, num_id));
 }
 
 static struct idset *idset_new(int num_ssid, int num_id)
 {
 	struct idset *set;
 
-	set = vmalloc(sizeof(struct idset) + bitmap_size(num_ssid, num_id));
+	set = vmalloc(sizeof(struct idset) +
+		      idset_bitmap_size(num_ssid, num_id));
 	if (set) {
 		set->num_ssid = num_ssid;
 		set->num_id = num_id;
-		memset(set->bitmap, 0, bitmap_size(num_ssid, num_id));
+		memset(set->bitmap, 0, idset_bitmap_size(num_ssid, num_id));
 	}
 	return set;
 }
@@ -41,7 +42,8 @@ void idset_free(struct idset *set)
 
 void idset_fill(struct idset *set)
 {
-	memset(set->bitmap, 0xff, bitmap_size(set->num_ssid, set->num_id));
+	memset(set->bitmap, 0xff,
+	       idset_bitmap_size(set->num_ssid, set->num_id));
 }
 
 static inline void idset_add(struct idset *set, int ssid, int id)
diff --git a/drivers/s390/net/ctcm_main.c b/drivers/s390/net/ctcm_main.c
index 878fe3ce53ad..b93c2eb45916 100644
--- a/drivers/s390/net/ctcm_main.c
+++ b/drivers/s390/net/ctcm_main.c
@@ -996,7 +996,7 @@ static int ctcm_change_mtu(struct net_device *dev, int new_mtu)
 			return -EINVAL;
 		dev->hard_header_len = LL_HEADER_LENGTH + 2;
 	}
-	dev->mtu = new_mtu;
+	WRITE_ONCE(dev->mtu, new_mtu);
 	return 0;
 }
 
diff --git a/drivers/s390/net/ism_drv.c b/drivers/s390/net/ism_drv.c
index 43778b088ffa..e36e3ea165d3 100644
--- a/drivers/s390/net/ism_drv.c
+++ b/drivers/s390/net/ism_drv.c
@@ -745,7 +745,7 @@ static int smcd_query_rgid(struct smcd_dev *smcd, struct smcd_gid *rgid,
 }
 
 static int smcd_register_dmb(struct smcd_dev *smcd, struct smcd_dmb *dmb,
-			     struct ism_client *client)
+			     void *client)
 {
 	return ism_register_dmb(smcd->priv, (struct ism_dmb *)dmb, client);
 }
diff --git a/drivers/s390/net/qeth_core.h b/drivers/s390/net/qeth_core.h
index 613eab729704..41fe8a043d61 100644
--- a/drivers/s390/net/qeth_core.h
+++ b/drivers/s390/net/qeth_core.h
@@ -956,7 +956,7 @@ static inline struct dst_entry *qeth_dst_check_rcu(struct sk_buff *skb,
 	struct dst_entry *dst = skb_dst(skb);
 	struct rt6_info *rt;
 
-	rt = (struct rt6_info *) dst;
+	rt = dst_rt6_info(dst);
 	if (dst) {
 		if (proto == htons(ETH_P_IPV6))
 			dst = dst_check(dst, rt6_get_cookie(rt));
@@ -970,15 +970,14 @@ static inline struct dst_entry *qeth_dst_check_rcu(struct sk_buff *skb,
 static inline __be32 qeth_next_hop_v4_rcu(struct sk_buff *skb,
 					  struct dst_entry *dst)
 {
-	struct rtable *rt = (struct rtable *) dst;
-
-	return (rt) ? rt_nexthop(rt, ip_hdr(skb)->daddr) : ip_hdr(skb)->daddr;
+	return (dst) ? rt_nexthop(dst_rtable(dst), ip_hdr(skb)->daddr) :
+		       ip_hdr(skb)->daddr;
 }
 
 static inline struct in6_addr *qeth_next_hop_v6_rcu(struct sk_buff *skb,
 						    struct dst_entry *dst)
 {
-	struct rt6_info *rt = (struct rt6_info *) dst;
+	struct rt6_info *rt = dst_rt6_info(dst);
 
 	if (rt && !ipv6_addr_any(&rt->rt6i_gateway))
 		return &rt->rt6i_gateway;