[PATCH] netfilter: Use kvcalloc

From: Joe Perches
Date: Tue Jan 28 2020 - 14:08:39 EST


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

Signed-off-by: Joe Perches <joe@xxxxxxxxxxx>
---
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);