mlx4: don't duplicate kvfree()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Acked-by: Amir Vadai <amirv@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/mellanox/mlx4/mr.c b/drivers/net/ethernet/mellanox/mlx4/mr.c
index 193a6ad..d6f5496 100644
--- a/drivers/net/ethernet/mellanox/mlx4/mr.c
+++ b/drivers/net/ethernet/mellanox/mlx4/mr.c
@@ -130,10 +130,7 @@
 
 err_out_free:
 	for (i = 0; i <= buddy->max_order; ++i)
-		if (buddy->bits[i] && is_vmalloc_addr(buddy->bits[i]))
-			vfree(buddy->bits[i]);
-		else
-			kfree(buddy->bits[i]);
+		kvfree(buddy->bits[i]);
 
 err_out:
 	kfree(buddy->bits);
@@ -147,10 +144,7 @@
 	int i;
 
 	for (i = 0; i <= buddy->max_order; ++i)
-		if (is_vmalloc_addr(buddy->bits[i]))
-			vfree(buddy->bits[i]);
-		else
-			kfree(buddy->bits[i]);
+		kvfree(buddy->bits[i]);
 
 	kfree(buddy->bits);
 	kfree(buddy->num_free);