add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/memstick/core/memstick.c
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@@ -1,15 +1,11 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  *  Sony MemoryStick support
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  *
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  *  Copyright (C) 2007 Alex Dubov <oakad@yahoo.com>
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  *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License version 2 as
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- * published by the Free Software Foundation.
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- *
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  * Special thanks to Carlos Corbacho for providing various MemoryStick cards
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  * that made this driver possible.
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- *
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  */
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 #include <linux/memstick.h>
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@@ -416,6 +412,7 @@
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 	return card;
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 err_out:
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 	host->card = old_card;
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+	kfree_const(card->dev.kobj.name);
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 	kfree(card);
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 	return NULL;
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 }
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@@ -445,6 +442,9 @@
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 	} else if (host->card->stop)
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 		host->card->stop(host->card);
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+	if (host->removing)
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+		goto out_power_off;
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+
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 	card = memstick_alloc_card(host);
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 	if (!card) {
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@@ -471,8 +471,10 @@
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 				put_device(&card->dev);
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 				host->card = NULL;
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 			}
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-		} else
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+		} else {
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+			kfree_const(card->dev.kobj.name);
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 			kfree(card);
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+		}
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 	}
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 out_power_off:
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@@ -548,6 +550,7 @@
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  */
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 void memstick_remove_host(struct memstick_host *host)
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 {
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+	host->removing = 1;
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 	flush_workqueue(workqueue);
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 	mutex_lock(&host->lock);
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 	if (host->card)