[PATCH] netfilter: ipvs: Use the bitmap API to allocate bitmaps

From: Christophe JAILLET
Date: Mon Jul 04 2022 - 15:24:59 EST


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@xxxxxxxxxx>
---
net/netfilter/ipvs/ip_vs_mh.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/net/netfilter/ipvs/ip_vs_mh.c b/net/netfilter/ipvs/ip_vs_mh.c
index da0280cec506..e3d7f5c879ce 100644
--- a/net/netfilter/ipvs/ip_vs_mh.c
+++ b/net/netfilter/ipvs/ip_vs_mh.c
@@ -174,8 +174,7 @@ static int ip_vs_mh_populate(struct ip_vs_mh_state *s,
return 0;
}

- table = kcalloc(BITS_TO_LONGS(IP_VS_MH_TAB_SIZE),
- sizeof(unsigned long), GFP_KERNEL);
+ table = bitmap_zalloc(IP_VS_MH_TAB_SIZE, GFP_KERNEL);
if (!table)
return -ENOMEM;

@@ -227,7 +226,7 @@ static int ip_vs_mh_populate(struct ip_vs_mh_state *s,
}

out:
- kfree(table);
+ bitmap_free(table);
return 0;
}

--
2.34.1