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authorJoris van Rantwijk <jorispubl@xs4all.nl>2009-09-24 20:20:20 +0200
committerGreg Kroah-Hartman <gregkh@suse.de>2009-10-09 13:52:08 -0700
commit63a9609513007537a0b23ac511fd73f9bd609ea0 (patch)
tree59d215868c66fc5dede76b35f0996514c0984781 /drivers/usb
parent6f88139eb9eae8003683689f93402264a73fb754 (diff)
USB: Fix throttling in generic usbserial driver
The generic usbserial driver in Linux 2.6.31 halts its receiving channel in response to throttle requests from the line discipline. Unfortunately it drops the contents of the first URB received after throttling takes effect. This patch corrects that problem. Signed-off-by: Joris van Rantwijk <jorispubl@xs4all.nl> Acked-by: Johan Hovold <jhovold@gmail.com> Cc: stable <stable@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb')
-rw-r--r--drivers/usb/serial/generic.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/usb/serial/generic.c b/drivers/usb/serial/generic.c
index deba08c7a015..bbe005cefcfb 100644
--- a/drivers/usb/serial/generic.c
+++ b/drivers/usb/serial/generic.c
@@ -546,7 +546,7 @@ void usb_serial_generic_unthrottle(struct tty_struct *tty)
if (was_throttled) {
/* Resume reading from device */
- usb_serial_generic_resubmit_read_urb(port, GFP_KERNEL);
+ flush_and_resubmit_read_urb(port);
}
}