IB: Use printk_once() for driver versions

Replace open-coded reimplementations with printk_once().

Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>

1 files changed, 1 insertions, 5 deletions

diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c
index ae3d7590346e..0b2f77a98e2c 100644
--- a/drivers/infiniband/hw/mlx4/main.c
+++ b/drivers/infiniband/hw/mlx4/main.c
@@ -540,15 +540,11 @@ static struct device_attribute *mlx4_class_attributes[] = {
 
 static void *mlx4_ib_add(struct mlx4_dev *dev)
 {
-        static int mlx4_ib_version_printed;
         struct mlx4_ib_dev *ibdev;
         int num_ports = 0;
         int i;
 
-        if (!mlx4_ib_version_printed) {
-                printk(KERN_INFO "%s", mlx4_ib_version);
-                ++mlx4_ib_version_printed;
-        }
+        printk_once(KERN_INFO "%s", mlx4_ib_version);
 
         mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_IB)
                 num_ports++;