greybus: introduce cport_id_valid()

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Define a public predicate that defines whether a CPort ID is valid.

Use it in the message_send() routine, and make the message reported
more accurately reflect the error.  Also use it to check whether the
CPort ID in a received message is valid; if it is not, just drop the
message.

Get rid of local variable "buffer" in message_send(); it adds no
value.

Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>

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Alex Elder 2015-06-13 11:02:07 -05:00 • committed by Greg Kroah-Hartman

parent 2a64fb0e1e

commit 821c620afa

3 changed files with 25 additions and 16 deletions

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18

drivers/staging/greybus/es1.c

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18

drivers/staging/greybus/es2.c

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5

drivers/staging/greybus/greybus.h

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