[PATCH 1/2] RDMA/pvrdma: Use bitmap_zalloc() when applicable

[Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>]

Use 'bitmap_zalloc()' to simplify code, improve the semantic and avoid some
open-coded arithmetic in allocator arguments.

Also change the corresponding 'kfree()' into 'bitmap_free()' to keep
consistency.

Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
---
 drivers/infiniband/hw/vmw_pvrdma/pvrdma_doorbell.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_doorbell.c b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_doorbell.c
index bf51357ea3aa..21ef3fb39915 100644
--- a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_doorbell.c
+++ b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_doorbell.c
@@ -63,7 +63,7 @@ int pvrdma_uar_table_init(struct pvrdma_dev *dev)
 	tbl->max = num;
 	tbl->mask = mask;
 	spin_lock_init(&tbl->lock);
-	tbl->table = kcalloc(BITS_TO_LONGS(num), sizeof(long), GFP_KERNEL);
+	tbl->table = bitmap_zalloc(num, GFP_KERNEL);
 	if (!tbl->table)
 		return -ENOMEM;
 
@@ -77,7 +77,7 @@ void pvrdma_uar_table_cleanup(struct pvrdma_dev *dev)
 {
 	struct pvrdma_id_table *tbl = &dev->uar_table.tbl;
 
-	kfree(tbl->table);
+	bitmap_free(tbl->table);
 }
 
 int pvrdma_uar_alloc(struct pvrdma_dev *dev, struct pvrdma_uar_map *uar)
-- 
2.30.2