[IPV4] fib_hash: kmalloc + memset conversion to kzalloc
fib_hash: kmalloc + memset conversion to kzalloc
fix to avoid memset entirely.
Signed-off-by: Joonwoo Park <joonwpark81@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/fib_hash.c b/net/ipv4/fib_hash.c
index 0dfee27..eb1aa8e 100644
--- a/net/ipv4/fib_hash.c
+++ b/net/ipv4/fib_hash.c
@@ -102,10 +102,10 @@
unsigned long size = divisor * sizeof(struct hlist_head);
if (size <= PAGE_SIZE) {
- return kmalloc(size, GFP_KERNEL);
+ return kzalloc(size, GFP_KERNEL);
} else {
return (struct hlist_head *)
- __get_free_pages(GFP_KERNEL, get_order(size));
+ __get_free_pages(GFP_KERNEL | __GFP_ZERO, get_order(size));
}
}
@@ -174,8 +174,6 @@
ht = fz_hash_alloc(new_divisor);
if (ht) {
- memset(ht, 0, new_divisor * sizeof(struct hlist_head));
-
write_lock_bh(&fib_hash_lock);
old_ht = fz->fz_hash;
fz->fz_hash = ht;
@@ -219,7 +217,6 @@
kfree(fz);
return NULL;
}
- memset(fz->fz_hash, 0, fz->fz_divisor * sizeof(struct hlist_head *));
fz->fz_order = z;
fz->fz_mask = inet_make_mask(z);