Patchwork [3.5.yuz,extended,stable] Patch "USB: cdc-acm: fix pipe type of write endpoint" has been added to staging queue

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Submitter Herton Ronaldo Krzesinski
Date Nov. 21, 2012, 5:09 a.m.
Message ID <>
Download mbox | patch
Permalink /patch/200568/
State New
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Herton Ronaldo Krzesinski - Nov. 21, 2012, 5:09 a.m.
This is a note to let you know that I have just added a patch titled

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

to the linux-3.5.y-queue branch of the 3.5.yuz extended stable tree 
which can be found at:;a=shortlog;h=refs/heads/linux-3.5.y-queue

If you, or anyone else, feels it should not be added to this tree, please 
reply to this email.

For more information about the 3.5.yuz tree, see



From 2d88b4ddbd0d8918222029cd8ebf496c66e0a6f5 Mon Sep 17 00:00:00 2001
From: Ming Lei <>
Date: Tue, 16 Oct 2012 21:21:21 +0800
Subject: [PATCH] USB: cdc-acm: fix pipe type of write endpoint

commit c5211187f7ff8e8dbff4ebf7c011ac4c0ffe319c upstream.

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

Cc: Oliver Neukum <>
Signed-off-by: Ming Lei <>
Signed-off-by: Greg Kroah-Hartman <>
Signed-off-by: Herton Ronaldo Krzesinski <>
 drivers/usb/class/cdc-acm.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)



diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index 2e29044..f4593ee 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -1234,7 +1234,7 @@  made_compressed_probe:

 		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);
 			usb_fill_bulk_urb(snd->urb, usb_dev,