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2024-05-10 37f49e37ab4cb5d0bc4c60eb5c6d4dd57db767bb

 kernel/drivers/ide/ide-proc.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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  *  Copyright (C) 1997-1998	Mark Lord
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  *  Copyright (C) 2003		Red Hat
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@@ -205,7 +206,7 @@
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 ide_devset_rw(current_speed, xfer_rate);
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 ide_devset_rw_field(init_speed, init_speed);
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 ide_devset_rw_flag(nice1, IDE_DFLAG_NICE1);
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-ide_devset_rw_field(number, dn);
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+ide_devset_ro_field(number, dn);
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 static const struct ide_proc_devset ide_generic_settings[] = {
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 	IDE_PROC_DEVSET(current_speed, 0, 70),
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@@ -380,13 +381,12 @@
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 	return -EINVAL;
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 }
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-static const struct file_operations ide_settings_proc_fops = {
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-	.owner		= THIS_MODULE,
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-	.open		= ide_settings_proc_open,
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-	.read		= seq_read,
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-	.llseek		= seq_lseek,
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-	.release	= single_release,
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-	.write		= ide_settings_proc_write,
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+static const struct proc_ops ide_settings_proc_ops = {
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+	.proc_open	= ide_settings_proc_open,
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+	.proc_read	= seq_read,
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+	.proc_lseek	= seq_lseek,
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+	.proc_release	= single_release,
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+	.proc_write	= ide_settings_proc_write,
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 };
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 int ide_capacity_proc_show(struct seq_file *m, void *v)
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@@ -545,7 +545,7 @@
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 		if (drive->proc) {
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 			ide_add_proc_entries(drive->proc, generic_drive_entries, drive);
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 			proc_create_data("settings", S_IFREG|S_IRUSR|S_IWUSR,
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-					drive->proc, &ide_settings_proc_fops,
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+					drive->proc, &ide_settings_proc_ops,
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 					drive);
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 		}
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 		sprintf(name, "ide%d/%s", (drive->name[2]-'a')/2, drive->name);
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@@ -614,18 +614,7 @@
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 	return 0;
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 }
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-static int ide_drivers_open(struct inode *inode, struct file *file)
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-{
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-	return single_open(file, &ide_drivers_show, NULL);
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-}
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-
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-static const struct file_operations ide_drivers_operations = {
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-	.owner		= THIS_MODULE,
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-	.open		= ide_drivers_open,
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-	.read		= seq_read,
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-	.llseek		= seq_lseek,
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-	.release	= single_release,
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-};
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+DEFINE_PROC_SHOW_ATTRIBUTE(ide_drivers);
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 void proc_ide_create(void)
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 {
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@@ -634,7 +623,7 @@
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 	if (!proc_ide_root)
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 		return;
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-	proc_create("drivers", 0, proc_ide_root, &ide_drivers_operations);
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+	proc_create("drivers", 0, proc_ide_root, &ide_drivers_proc_ops);
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 }
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 void proc_ide_destroy(void)