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USB: pl2303: remove bogus delta_msr_wait wake up
author
Johan Hovold
<jhovold@gmail.com>
Sun, 29 Dec 2013 18:22:59 +0000
(19:22 +0100)
committer
Greg Kroah-Hartman
<gregkh@linuxfoundation.org>
Fri, 3 Jan 2014 20:31:47 +0000
(12:31 -0800)
Remove bogus MSR wait-queue wake up from process_read_urb which never
updates the MSR flags.
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/serial/pl2303.c
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diff --git
a/drivers/usb/serial/pl2303.c
b/drivers/usb/serial/pl2303.c
index 3dd5398174c1f3f59724b81657f8b9ece3d00130..6234d55372cbbb04e7491438f46ad70e42ddcf26 100644
(file)
--- a/
drivers/usb/serial/pl2303.c
+++ b/
drivers/usb/serial/pl2303.c
@@
-787,7
+787,6
@@
static void pl2303_process_read_urb(struct urb *urb)
line_status = priv->line_status;
priv->line_status &= ~UART_STATE_TRANSIENT_MASK;
spin_unlock_irqrestore(&priv->lock, flags);
- wake_up_interruptible(&port->port.delta_msr_wait);
if (!urb->actual_length)
return;
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