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tty: serial_core: fix error code returned by uart_register_driver()
uart_register_driver() returned -ENOMEM on any error, even when tty_register_driver() call returned another one, such as -EBUSY. Signed-off-by: Sergey Organov <sorganov@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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1 changed files with 2 additions and 2 deletions
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@ -2507,7 +2507,7 @@ static const struct tty_port_operations uart_port_ops = {
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int uart_register_driver(struct uart_driver *drv)
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{
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struct tty_driver *normal;
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int i, retval;
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int i, retval = -ENOMEM;
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BUG_ON(drv->state);
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@ -2559,7 +2559,7 @@ int uart_register_driver(struct uart_driver *drv)
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out_kfree:
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kfree(drv->state);
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out:
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return -ENOMEM;
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return retval;
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}
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/**
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