Commit c4e6dcfa authored Feb 16, 2015 by Axel Lin Committed by Greg Kroah-Hartman Mar 07, 2015

serial: sprd: Fix missing spin_unlock in sprd_handle_irq()



Fix return from sprd_handle_irq() with spin_lock held.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Reviewed-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent 30a22c21

drivers/tty/serial/sprd_serial.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -293,8 +293,10 @@ static irqreturn_t sprd_handle_irq(int irq, void *dev_id)

		ims = serial_in(port, SPRD_IMSR);

		if (!ims)
		if (!ims) {
		spin_unlock(&port->lock);
		return IRQ_NONE;
		}

		serial_out(port, SPRD_ICLR, ~0);