[PATCH] scsi: lpfc: Use bitmap_size()

[Christophe JAILLET]

Use bitmap_size() instead of hand-writing it.

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

diff --git a/drivers/scsi/lpfc/lpfc_mem.c b/drivers/scsi/lpfc/lpfc_mem.c
index 2697da3248b3..8dfceb0938b0 100644
--- a/drivers/scsi/lpfc/lpfc_mem.c
+++ b/drivers/scsi/lpfc/lpfc_mem.c
@@ -21,6 +21,7 @@
  * included with this package.                                     *
  *******************************************************************/
 
+#include <linux/bitmap.h>
 #include <linux/mempool.h>
 #include <linux/slab.h>
 #include <linux/pci.h>
@@ -78,8 +79,7 @@ lpfc_mem_alloc_active_rrq_pool_s4(struct lpfc_hba *phba) {
 
 	if (max_xri <= 0)
 		return -ENOMEM;
-	bytes = ((BITS_PER_LONG - 1 + max_xri) / BITS_PER_LONG) *
-		  sizeof(unsigned long);
+	bytes = bitmap_size(max_xri);
 	phba->cfg_rrq_xri_bitmap_sz = bytes;
 	phba->active_rrq_pool = mempool_create_kmalloc_pool(LPFC_MEM_POOL_SIZE,
 							    bytes);
-- 
2.45.2