kernel_5.10 no rt

hc

2023-12-11 6778948f9de86c3cfaf36725a7c87dcff9ba247f

 kernel/arch/powerpc/platforms/powernv/opal-dump.c
..
..
@@ -1,12 +1,8 @@
1
+// SPDX-License-Identifier: GPL-2.0-or-later
1
2
 /*
2
3
  * PowerNV OPAL Dump Interface
3
4
  *
4
5
  * Copyright 2013,2014 IBM Corp.
5
- *
6
- * This program is free software; you can redistribute it and/or
7
- * modify it under the terms of the GNU General Public License
8
- * as published by the Free Software Foundation; either version
9
- * 2 of the License, or (at your option) any later version.
10
6
  */
11
7
 
12
8
 #include <linux/kobject.h>
..
..
@@ -92,9 +88,14 @@
92
88
 			      const char *buf,
93
89
 			      size_t count)
94
90
 {
95
-	dump_send_ack(dump_obj->id);
96
-	sysfs_remove_file_self(&dump_obj->kobj, &attr->attr);
97
-	kobject_put(&dump_obj->kobj);
91
+	/*
92
+	 * Try to self remove this attribute. If we are successful,
93
+	 * delete the kobject itself.
94
+	 */
95
+	if (sysfs_remove_file_self(&dump_obj->kobj, &attr->attr)) {
96
+		dump_send_ack(dump_obj->id);
97
+		kobject_put(&dump_obj->kobj);
98
+	}
98
99
 	return count;
99
100
 }
100
101