linux-kernel - [PATCH 2/3] crypto: octeontx2: Use the bitmap API to allocate bitmaps

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Date:   Sun, 10 Jul 2022 14:19:23 +0200
From:   Christophe JAILLET <christophe.jaillet@...adoo.fr>
To:     Boris Brezillon <bbrezillon@...nel.org>,
        Arnaud Ebalard <arno@...isbad.org>,
        Srujana Challa <schalla@...vell.com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        "David S. Miller" <davem@...emloft.net>
Cc:     linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>,
        linux-crypto@...r.kernel.org
Subject: [PATCH 2/3] crypto: octeontx2: 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/crypto/marvell/octeontx2/otx2_cptpf_ucode.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/crypto/marvell/octeontx2/otx2_cptpf_ucode.c b/drivers/crypto/marvell/octeontx2/otx2_cptpf_ucode.c
index f10050fead16..a28a310090e9 100644
--- a/drivers/crypto/marvell/octeontx2/otx2_cptpf_ucode.c
+++ b/drivers/crypto/marvell/octeontx2/otx2_cptpf_ucode.c
@@ -1351,7 +1351,7 @@ void otx2_cpt_cleanup_eng_grps(struct pci_dev *pdev,
 	for (i = 0; i < OTX2_CPT_MAX_ENGINE_GROUPS; i++) {
 		grp = &eng_grps->grp[i];
 		for (j = 0; j < OTX2_CPT_MAX_ETYPES_PER_GRP; j++) {
-			kfree(grp->engs[j].bmap);
+			bitmap_free(grp->engs[j].bmap);
 			grp->engs[j].bmap = NULL;
 		}
 	}
@@ -1387,9 +1387,8 @@ int otx2_cpt_init_eng_grps(struct pci_dev *pdev,
 		grp->idx = i;
 
 		for (j = 0; j < OTX2_CPT_MAX_ETYPES_PER_GRP; j++) {
-			grp->engs[j].bmap =
-				kcalloc(BITS_TO_LONGS(eng_grps->engs_num),
-					sizeof(long), GFP_KERNEL);
+			grp->engs[j].bmap = bitmap_zalloc(eng_grps->engs_num,
+							  GFP_KERNEL);
 			if (!grp->engs[j].bmap) {
 				ret = -ENOMEM;
 				goto cleanup_eng_grps;
-- 
2.34.1