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(parent: 31945e4) | patch
USB: opticon: fix DMA from stack
authorJohan Hovold <jhovold@gmail.com>
Thu, 25 Oct 2012 08:29:11 +0000 (10:29 +0200)
committerBen Hutchings <ben@decadent.org.uk>
Tue, 30 Oct 2012 23:27:00 +0000 (23:27 +0000)
commitf5d45e42e0260ad3459d3be72b9e47d20b568910
tree5dda1fac2962abd65495ec10ef45fa88e4bce560tree | snapshot
parent31945e40c63cbbb2040f81aa28418514b8908e1dcommit | diff
USB: opticon: fix DMA from stack

commit ea0dbebffe118724cd4df7d9b071ea8ee48d48f0 upstream.

Make sure to allocate the control-message buffer dynamically as some
platforms cannot do DMA from stack.

Note that only the first byte of the old buffer was used.

Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
drivers/usb/serial/opticon.c diff | blob | history
Linux kernels and configurations used by Zygo.