Hi,
acm uses a workqueue to defer part of a write operation.
In case of disconnect this work must be waited for.
Regards
Oliver
Signed-off-by: Oliver Neukum <[EMAIL PROTECTED]>
You can import this changeset into BK by piping this whole message to:
'| bk receive [path to repository]' or apply the patch as usual.
===================================================================
[EMAIL PROTECTED], 2004-05-31 15:12:13+02:00, [EMAIL PROTECTED]
- fix race between write and disconnect
cdc-acm.c | 2 ++
1 files changed, 2 insertions(+)
diff -Nru a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
--- a/drivers/usb/class/cdc-acm.c Mon May 31 15:13:14 2004
+++ b/drivers/usb/class/cdc-acm.c Mon May 31 15:13:14 2004
@@ -691,6 +691,8 @@
usb_unlink_urb(acm->readurb);
usb_unlink_urb(acm->writeurb);
+ flush_scheduled_work(); /* wait for acm_softint */
+
kfree(acm->ctrlurb->transfer_buffer);
usb_driver_release_interface(&acm_driver, acm->data);
===================================================================
This BitKeeper patch contains the following changesets:
1.1761
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