greybus: loopback: truncate maximum loop data to link size

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Get maximum payload by way of gb_operation_get_payload_size_max() and
truncate any requested loopback size greater than this value. RX of data
from firmware over the specified size will not be accepted.

Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>

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Bryan O'Donoghue 2015-07-13 20:20:50 +01:00 • committed by Greg Kroah-Hartman

parent 384a7a3c4f

commit c3bba87a7a

1 changed files with 20 additions and 3 deletions

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23

drivers/staging/greybus/loopback.c

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