From: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Date: Tue, 5 Jul 2022 22:36:16 +0200
Subject: qed: Use the bitmap API to allocate bitmaps
Patch-mainline: v6.0-rc1
Git-commit: 291dbea16c711d31b6b3b26b8475116110a7b7b3
References: jsc#PED-1526

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/d61ec77ce0b92f7539c6a144106139f8d737ec29.1657053343.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 drivers/net/ethernet/qlogic/qed/qed_rdma.c |    5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

--- a/drivers/net/ethernet/qlogic/qed/qed_rdma.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_rdma.c
@@ -42,8 +42,7 @@ int qed_rdma_bmap_alloc(struct qed_hwfn
 
 	bmap->max_count = max_count;
 
-	bmap->bitmap = kcalloc(BITS_TO_LONGS(max_count), sizeof(long),
-			       GFP_KERNEL);
+	bmap->bitmap = bitmap_zalloc(max_count, GFP_KERNEL);
 	if (!bmap->bitmap)
 		return -ENOMEM;
 
@@ -343,7 +342,7 @@ void qed_rdma_bmap_free(struct qed_hwfn
 	}
 
 end:
-	kfree(bmap->bitmap);
+	bitmap_free(bmap->bitmap);
 	bmap->bitmap = NULL;
 }