RDMA/mlx5: Fix type warning of sizeof in __mlx5_ib_alloc_counters()

sizeof() when applied to a pointer typed expression should give the size
of the pointed data, even if the data is a pointer.

Fixes: e1f24a79 ("IB/mlx5: Support congestion related counters")
Link: https://lore.kernel.org/r/20200917081354.2083293-1-liushixin2@huawei.comSigned-off-by: Liu Shixin <liushixin2@huawei.com>
Acked-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>

drivers/infiniband/hw/mlx5/counters.c

@@ -457,12 +457,12 @@ static int __mlx5_ib_alloc_counters(struct mlx5_ib_dev *dev,
 		cnts->num_ext_ppcnt_counters = ARRAY_SIZE(ext_ppcnt_cnts);
 		num_counters += ARRAY_SIZE(ext_ppcnt_cnts);
 	}
-	cnts->names = kcalloc(num_counters, sizeof(cnts->names), GFP_KERNEL);
+	cnts->names = kcalloc(num_counters, sizeof(*cnts->names), GFP_KERNEL);
 	if (!cnts->names)
 		return -ENOMEM;
 
 	cnts->offsets = kcalloc(num_counters,
-				sizeof(cnts->offsets), GFP_KERNEL);
+				sizeof(*cnts->offsets), GFP_KERNEL);
 	if (!cnts->offsets)
 		goto err_names;