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(parent: 15c62ba) | patch
cdc-acm: fix race between callback and unthrottle
authorOliver Neukum <oneukum@suse.de>
Fri, 20 Mar 2015 08:24:24 +0000 (09:24 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 26 Mar 2015 09:50:52 +0000 (10:50 +0100)
commit2228e3d81d283b6311e51dd19af29793ef43185b
tree210a79c37d9a262b1d6e8f37db2429c1c21edef7tree | snapshot
parent15c62bac9e2ebc54d28716e5d40456a957ebf323commit | diff
cdc-acm: fix race between callback and unthrottle

Abn URB may be may marked free only after the buffer has been
processed or there is a small window during which it could
be submitted on another CPU and overwrite an unprocessed buffer

Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/class/cdc-acm.c diff | blob | history
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