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(parent: 32772ef) | patch
cdc-acm: fix race between reset and control messaging
authorOliver Neukum <oneukum@suse.com>
Thu, 4 Oct 2018 13:49:06 +0000 (15:49 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sat, 10 Nov 2018 15:48:35 +0000 (07:48 -0800)
commit6f053e36bda96461245d0d01f374dac4f7cab54c
treeab753acad43f55509a33caa0527110db44eecbabtree
parent32772ef3f5ed990404c7664782ad77c551d19693commit | diff
cdc-acm: fix race between reset and control messaging

commit 9397940ed812b942c520e0c25ed4b2c64d57e8b9 upstream.

If a device splits up a control message and a reset() happens
between the parts, the message is lost and already recieved parts
must be dropped.

Signed-off-by: Oliver Neukum <oneukum@suse.com>
Fixes: 1aba579f3cf51 ("cdc-acm: handle read pipe errors")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/class/cdc-acm.c diff | blob | history
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