USB: serial: keyspan_pda: fix receive sanity checks

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commit c528fcb116 upstream.

Make sure to check for short transfers before parsing the receive buffer
to avoid acting on stale data.

Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
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>

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Johan Hovold 2017-01-31 17:17:29 +01:00 • committed by Greg Kroah-Hartman

parent b6c17077e0

commit 84443215cf

1 changed files with 14 additions and 5 deletions

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drivers/usb/serial/keyspan_pda.c

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