linux-kernel - [PATCH 1/2] qed: Use the bitmap API to allocate bitmaps

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Date:   Tue,  5 Jul 2022 22:36:16 +0200
From:   Christophe JAILLET <christophe.jaillet@...adoo.fr>
To:     Ariel Elior <aelior@...vell.com>,
        Manish Chopra <manishc@...vell.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>
Cc:     linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>,
        netdev@...r.kernel.org
Subject: [PATCH 1/2] qed: Use the bitmap API to allocate bitmaps

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@...adoo.fr>
---
 drivers/net/ethernet/qlogic/qed/qed_rdma.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/qlogic/qed/qed_rdma.c b/drivers/net/ethernet/qlogic/qed/qed_rdma.c
index 69b0ede75cae..689a7168448f 100644
--- 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 *p_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 *p_hwfn,
 	}
 
 end:
-	kfree(bmap->bitmap);
+	bitmap_free(bmap->bitmap);
 	bmap->bitmap = NULL;
 }
 
-- 
2.34.1