修改led为gpio

hc

2024-10-12 a5969cabbb4660eab42b6ef0412cbbd1200cf14d

 kernel/arch/powerpc/platforms/powernv/opal-dump.c
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@@ -1,12 +1,8 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  * PowerNV OPAL Dump Interface
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  *
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  * Copyright 2013,2014 IBM Corp.
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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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- * as published by the Free Software Foundation; either version
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- * 2 of the License, or (at your option) any later version.
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  */
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 #include <linux/kobject.h>
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@@ -92,9 +88,14 @@
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 			      const char *buf,
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 			      size_t count)
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 {
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-	dump_send_ack(dump_obj->id);
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-	sysfs_remove_file_self(&dump_obj->kobj, &attr->attr);
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-	kobject_put(&dump_obj->kobj);
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+	/*
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+	 * Try to self remove this attribute. If we are successful,
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+	 * delete the kobject itself.
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+	 */
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+	if (sysfs_remove_file_self(&dump_obj->kobj, &attr->attr)) {
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+		dump_send_ack(dump_obj->id);
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+		kobject_put(&dump_obj->kobj);
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+	}
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 	return count;
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 }
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