add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/misc/enclosure.c
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@@ -1,3 +1,4 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * Enclosure Services
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  *
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@@ -5,18 +6,6 @@
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  *
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 **-----------------------------------------------------------------------------
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 **
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-**  This program is free software; you can redistribute it and/or
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-**  modify it under the terms of the GNU General Public License
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-**  version 2 as published by the Free Software Foundation.
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-**
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-**  This program is distributed in the hope that it will be useful,
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-**  but WITHOUT ANY WARRANTY; without even the implied warranty of
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-**  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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-**  GNU General Public License for more details.
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-**
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-**  You should have received a copy of the GNU General Public License
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-**  along with this program; if not, write to the Free Software
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-**  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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 **
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 **-----------------------------------------------------------------------------
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 */
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@@ -114,7 +103,9 @@
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  * enclosure_register - register device as an enclosure
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  *
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  * @dev:	device containing the enclosure
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+ * @name:	chosen device name
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  * @components:	number of components in the enclosure
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+ * @cb:         platform call-backs
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  *
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  * This sets up the device for being an enclosure.  Note that @dev does
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  * not have to be a dedicated enclosure device.  It may be some other type
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@@ -125,9 +116,7 @@
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 		   struct enclosure_component_callbacks *cb)
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 {
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 	struct enclosure_device *edev =
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-		kzalloc(sizeof(struct enclosure_device) +
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-			sizeof(struct enclosure_component)*components,
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-			GFP_KERNEL);
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+		kzalloc(struct_size(edev, component, components), GFP_KERNEL);
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 	int err, i;
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 	BUG_ON(!cb);
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 /**
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  * enclosure_component_alloc - prepare a new enclosure component
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  * @edev:	the enclosure to add the component
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- * @num:	the device number
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+ * @number:	the device number
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  * @type:	the type of component being added
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  * @name:	an optional name to appear in sysfs (leave NULL if none)
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  *
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@@ -360,7 +349,7 @@
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 /**
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  * enclosure_add_device - add a device as being part of an enclosure
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  * @edev:	the enclosure device being added to.
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- * @num:	the number of the component
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+ * @component:	the number of the component
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  * @dev:	the device being added
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  *
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  * Declares a real device to reside in slot (or identifier) @num of an
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@@ -402,7 +391,7 @@
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 /**
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  * enclosure_remove_device - remove a device from an enclosure
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  * @edev:	the enclosure device
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- * @num:	the number of the component to remove
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+ * @dev:	device to remove/put
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  *
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  * Returns zero on success or an error.
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  *