forked from luck/tmp_suning_uos_patched
tty: use for_each_console() and WARN() on sysfs failures
This fixes the build warnings in the tty code, and uses the proper function for iterating over the console devices. Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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@ -3257,7 +3257,7 @@ static ssize_t show_cons_active(struct device *dev,
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ssize_t count = 0;
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acquire_console_sem();
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for (c = console_drivers; c; c = c->next) {
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for_each_console(c) {
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if (!c->device)
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continue;
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if (!c->write)
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@ -3306,7 +3306,7 @@ int __init tty_init(void)
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if (IS_ERR(consdev))
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consdev = NULL;
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else
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device_create_file(consdev, &dev_attr_active);
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WARN_ON(device_create_file(consdev, &dev_attr_active) < 0);
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#ifdef CONFIG_VT
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vty_init(&console_fops);
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@ -2994,7 +2994,7 @@ int __init vty_init(const struct file_operations *console_fops)
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if (IS_ERR(tty0dev))
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tty0dev = NULL;
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else
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device_create_file(tty0dev, &dev_attr_active);
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WARN_ON(device_create_file(tty0dev, &dev_attr_active) < 0);
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vcs_init();
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