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Code Issues Releases Wiki Activity

USB: cdc-acm: fix pipe type of write endpoint

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If the write endpoint is interrupt type, usb_sndintpipe() should
be passed to usb_fill_int_urb() instead of usb_sndbulkpipe().

Cc: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Ming Lei <ming.lei@canonical.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ming Lei 2012-10-16 21:21:21 +08:00 committed by Greg Kroah-Hartman
parent 014639003c
commit c5211187f7
1 changed files with 1 additions and 1 deletions
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2
drivers/usb/class/cdc-acm.c
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@ -1233,7 +1233,7 @@ static int acm_probe(struct usb_interface *intf,
if (usb_endpoint_xfer_int(epwrite))
usb_fill_int_urb(snd->urb, usb_dev,
usb_sndbulkpipe(usb_dev, epwrite->bEndpointAddress),
usb_sndintpipe(usb_dev, epwrite->bEndpointAddress),
NULL, acm->writesize, acm_write_bulk, snd, epwrite->bInterval);
else
usb_fill_bulk_urb(snd->urb, usb_dev,