drivers/net: Convert unbounded kzalloc calls to kcalloc

These changes may be slightly safer in some instances.

There are other kzalloc calls with a multiply, but those
calls are typically "small fixed #" * sizeof(some pointer)"
and those are not converted.

Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Acked-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/mlx4/alloc.c b/drivers/net/mlx4/alloc.c
index 8c85156..537997f 100644
--- a/drivers/net/mlx4/alloc.c
+++ b/drivers/net/mlx4/alloc.c
@@ -188,7 +188,7 @@
 		buf->nbufs       = (size + PAGE_SIZE - 1) / PAGE_SIZE;
 		buf->npages      = buf->nbufs;
 		buf->page_shift  = PAGE_SHIFT;
-		buf->page_list   = kzalloc(buf->nbufs * sizeof *buf->page_list,
+		buf->page_list   = kcalloc(buf->nbufs, sizeof(*buf->page_list),
 					   GFP_KERNEL);
 		if (!buf->page_list)
 			return -ENOMEM;
diff --git a/drivers/net/mlx4/en_rx.c b/drivers/net/mlx4/en_rx.c
index 8e2fcb7..efc3fad 100644
--- a/drivers/net/mlx4/en_rx.c
+++ b/drivers/net/mlx4/en_rx.c
@@ -322,7 +322,7 @@
 	ring->lro.ip_summed_aggr = CHECKSUM_UNNECESSARY;
 	ring->lro.max_desc = mdev->profile.num_lro;
 	ring->lro.max_aggr = MAX_SKB_FRAGS;
-	ring->lro.lro_arr = kzalloc(mdev->profile.num_lro *
+	ring->lro.lro_arr = kcalloc(mdev->profile.num_lro,
 				    sizeof(struct net_lro_desc),
 				    GFP_KERNEL);
 	if (!ring->lro.lro_arr) {
diff --git a/drivers/net/mlx4/profile.c b/drivers/net/mlx4/profile.c
index 5caf011..e749f82 100644
--- a/drivers/net/mlx4/profile.c
+++ b/drivers/net/mlx4/profile.c
@@ -85,7 +85,7 @@
 	struct mlx4_resource tmp;
 	int i, j;
 
-	profile = kzalloc(MLX4_RES_NUM * sizeof *profile, GFP_KERNEL);
+	profile = kcalloc(MLX4_RES_NUM, sizeof(*profile), GFP_KERNEL);
 	if (!profile)
 		return -ENOMEM;