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(parent: d802afc) | patch
USB: mos7720: fix broken control requests
authorJohan Hovold <jhovold@gmail.com>
Tue, 13 Aug 2013 11:27:34 +0000 (13:27 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 20 Aug 2013 15:43:04 +0000 (08:43 -0700)
commitf56852aeaaa9a199ffa0a4c9ba2ef360122021c0
treed703637cf3136b3cd8db07518ec723188a88c44dtree | snapshot (tar.gz zip)
parentd802afca86ce011832ec9e8d8120f0ada9dd1835commit | diff
USB: mos7720: fix broken control requests

commit ef6c8c1d733e244f0499035be0dabe1f4ed98c6f upstream.

The parallel-port code of the drivers used a stack allocated
control-request buffer for asynchronous (and possibly deferred) control
requests. This not only violates the no-DMA-from-stack requirement but
could also lead to corrupt control requests being submitted.

Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/serial/mos7720.c diff | blob | blame | history
kernel source for telekom puls (alcatel/mediatek)