netdev - [PATCH] netfilter: Use kvcalloc

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Date:   Tue, 28 Jan 2020 11:07:27 -0800
From:   Joe Perches <joe@...ches.com>
To:     Pablo Neira Ayuso <pablo@...filter.org>,
        Jozsef Kadlecsik <kadlec@...filter.org>,
        Florian Westphal <fw@...len.de>
Cc:     "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        netfilter-devel@...r.kernel.org, coreteam@...filter.org,
        netdev@...r.kernel.org, linux-kernel <linux-kernel@...r.kernel.org>
Subject: [PATCH] netfilter: Use kvcalloc

Convert the uses of kvmalloc_array with __GFP_ZERO to
the equivalent kvcalloc.

Signed-off-by: Joe Perches <joe@...ches.com>
---
 net/netfilter/nf_conntrack_core.c | 3 +--
 net/netfilter/x_tables.c          | 4 ++--
 2 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c
index f4c4b46..d13054 100644
--- a/net/netfilter/nf_conntrack_core.c
+++ b/net/netfilter/nf_conntrack_core.c
@@ -2248,8 +2248,7 @@ void *nf_ct_alloc_hashtable(unsigned int *sizep, int nulls)
 	BUILD_BUG_ON(sizeof(struct hlist_nulls_head) != sizeof(struct hlist_head));
 	nr_slots = *sizep = roundup(*sizep, PAGE_SIZE / sizeof(struct hlist_nulls_head));
 
-	hash = kvmalloc_array(nr_slots, sizeof(struct hlist_nulls_head),
-			      GFP_KERNEL | __GFP_ZERO);
+	hash = kvcalloc(nr_slots, sizeof(struct hlist_nulls_head), GFP_KERNEL);
 
 	if (hash && nulls)
 		for (i = 0; i < nr_slots; i++)
diff --git a/net/netfilter/x_tables.c b/net/netfilter/x_tables.c
index ce70c25..e27c6c5 100644
--- a/net/netfilter/x_tables.c
+++ b/net/netfilter/x_tables.c
@@ -939,14 +939,14 @@ EXPORT_SYMBOL(xt_check_entry_offsets);
  *
  * @size: number of entries
  *
- * Return: NULL or kmalloc'd or vmalloc'd array
+ * Return: NULL or zeroed kmalloc'd or vmalloc'd array
  */
 unsigned int *xt_alloc_entry_offsets(unsigned int size)
 {
 	if (size > XT_MAX_TABLE_SIZE / sizeof(unsigned int))
 		return NULL;
 
-	return kvmalloc_array(size, sizeof(unsigned int), GFP_KERNEL | __GFP_ZERO);
+	return kvcalloc(size, sizeof(unsigned int), GFP_KERNEL);
 
 }
 EXPORT_SYMBOL(xt_alloc_entry_offsets);