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Commit 71c671bf authored by Johan Hovold's avatar Johan Hovold Committed by Greg Kroah-Hartman
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USB: pl2303: remove bogus delta_msr_wait wake up 



Remove bogus MSR wait-queue wake up from process_read_urb which never
updates the MSR flags.

Signed-off-by: default avatarJohan Hovold <jhovold@gmail.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent c50db82d

drivers/usb/serial/pl2303.c

+0 −1
Original line number Original line Diff line number Diff line
@@ -787,7 +787,6 @@ static void pl2303_process_read_urb(struct urb *urb) 
	line_status = priv->line_status;

	line_status = priv->line_status;

	priv->line_status &= ~UART_STATE_TRANSIENT_MASK;

	priv->line_status &= ~UART_STATE_TRANSIENT_MASK;

	spin_unlock_irqrestore(&priv->lock, flags);

	spin_unlock_irqrestore(&priv->lock, flags);

	wake_up_interruptible(&port->port.delta_msr_wait);





	if (!urb->actual_length)

	if (!urb->actual_length)

		return;

		return;