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(parent: 4d32e36) | patch
USB: serial: io_edgeport: fix epic-descriptor handling
authorJohan Hovold <johan@kernel.org>
Thu, 12 Jan 2017 13:56:13 +0000 (14:56 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sun, 14 May 2017 12:00:18 +0000 (14:00 +0200)
commitb07e930d1f498e3cc3677fdf89665918aa44e244
tree72227c701f5d95d0e4f3c6b8be2624d521a7d3b6tree | snapshot
parent4d32e36d62627ad9730338e6f603c8b996aaf7ebcommit | diff
USB: serial: io_edgeport: fix epic-descriptor handling

commit e4457d9798adb96272468e93da663de9bd0a4198 upstream.

Use a dedicated buffer for the DMA transfer and make sure to detect
short transfers to avoid parsing a corrupt descriptor.

Fixes: 6e8cf7751f9f ("USB: add EPIC support to the io_edgeport driver")
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/serial/io_edgeport.c diff | blob | history
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