bnxt: 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@wanadoo.fr>
Link: https://lore.kernel.org/r/d508f3adf7e2804f4d3793271b82b196a2ccb940.1657052562.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index 11d35da619217b9f6929e508a346fed74faa5b6a..c74b2e4250add706630bc022fb74c704c06a2de4 100644 (file)
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -4477,7 +4477,7 @@ static void bnxt_free_ntp_fltrs(struct bnxt *bp, bool irq_reinit)
                }
        }
        if (irq_reinit) {
-               kfree(bp->ntp_fltr_bmap);
+               bitmap_free(bp->ntp_fltr_bmap);
                bp->ntp_fltr_bmap = NULL;
        }
        bp->ntp_fltr_count = 0;
@@ -4496,9 +4496,7 @@ static int bnxt_alloc_ntp_fltrs(struct bnxt *bp)
                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;