sysfs: fix sysfs lockdep warning in mlx4 code
This fixes a sysfs lockdep warning in the mlx4 code.
Cc: Yinghai Lu <yinghai@kernel.org>
Cc: Eric Biederman <ebiederm@xmission.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/net/mlx4/main.c b/drivers/net/mlx4/main.c
index 8f6e816..b402a95 100644
--- a/drivers/net/mlx4/main.c
+++ b/drivers/net/mlx4/main.c
@@ -1023,6 +1023,7 @@
info->port_attr.attr.mode = S_IRUGO | S_IWUSR;
info->port_attr.show = show_port_type;
info->port_attr.store = set_port_type;
+ sysfs_attr_init(&info->port_attr.attr);
err = device_create_file(&dev->pdev->dev, &info->port_attr);
if (err) {