modify sin led gpio

hc

2024-05-13 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e

 kernel/drivers/infiniband/hw/mlx4/sysfs.c
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@@ -221,7 +221,7 @@
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 static int add_port_entries(struct mlx4_ib_dev *device, int port_num)
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 {
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 	int i;
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-	char buff[11];
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+	char buff[12];
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 	struct mlx4_ib_iov_port *port = NULL;
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 	int ret = 0 ;
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 	struct ib_port_attr attr;
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@@ -814,9 +814,7 @@
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 	if (!mlx4_is_master(dev->dev))
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 		return 0;
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-	dev->iov_parent =
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-		kobject_create_and_add("iov",
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-				       kobject_get(dev->ib_dev.ports_parent->parent));
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+	dev->iov_parent = kobject_create_and_add("iov", &dev->ib_dev.dev.kobj);
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 	if (!dev->iov_parent) {
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 		ret = -ENOMEM;
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 		goto err;
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@@ -846,7 +844,6 @@
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 err_ports:
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 	kobject_put(dev->iov_parent);
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 err:
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-	kobject_put(dev->ib_dev.ports_parent->parent);
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 	pr_err("mlx4_ib_device_register_sysfs error (%d)\n", ret);
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 	return ret;
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 }
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@@ -882,5 +879,4 @@
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 	kobject_put(device->ports_parent);
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 	kobject_put(device->iov_parent);
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 	kobject_put(device->iov_parent);
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-	kobject_put(device->ib_dev.ports_parent->parent);
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 }