From: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Date: Tue, 5 Jul 2022 22:22:59 +0200
Subject: bnxt: Use the bitmap API to allocate bitmaps
Patch-mainline: v6.0-rc1
Git-commit: 45262522d0027269dbece119f1cb89e25f5de965
References: jsc#PED-1495

Use bitmap_zalloc()/bitmap_free() instead of hand-writing them.

It is less verbose and it improves the semantic.

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/d508f3adf7e2804f4d3793271b82b196a2ccb940.1657052562.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 drivers/net/ethernet/broadcom/bnxt/bnxt.c |    6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -4480,7 +4480,7 @@ static void bnxt_free_ntp_fltrs(struct b
 		}
 	}
 	if (irq_reinit) {
-		kfree(bp->ntp_fltr_bmap);
+		bitmap_free(bp->ntp_fltr_bmap);
 		bp->ntp_fltr_bmap = NULL;
 	}
 	bp->ntp_fltr_count = 0;
@@ -4499,9 +4499,7 @@ static int bnxt_alloc_ntp_fltrs(struct b
 		INIT_HLIST_HEAD(&bp->ntp_fltr_hash_tbl[i]);
 
 	bp->ntp_fltr_count = 0;
-	bp->ntp_fltr_bmap = kcalloc(BITS_TO_LONGS(BNXT_NTP_FLTR_MAX_FLTR),
-				    sizeof(long),
-				    GFP_KERNEL);
+	bp->ntp_fltr_bmap = bitmap_zalloc(BNXT_NTP_FLTR_MAX_FLTR, GFP_KERNEL);
 
 	if (!bp->ntp_fltr_bmap)
 		rc = -ENOMEM;