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usb_wwan: fix runtime PM in error case
An error in the write code path would permanently disable runtime PM in this driver Signed-off-by: Oliver Neukum <oliver@neukum.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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@ -261,6 +261,7 @@ int usb_wwan_write(struct tty_struct *tty, struct usb_serial_port *port,
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intfdata->in_flight--;
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spin_unlock_irqrestore(&intfdata->susp_lock,
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flags);
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usb_autopm_put_interface_async(port->serial->interface);
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continue;
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}
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}
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