greybus: add a reference to pending operations

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Grab an extra reference to an operation before sending it.  Drop
that reference at the end of its completion handling.

It turns out gb_operation_get() got deleted along the way, so this
re-introduces it.  We're assuming we only get a reference when
there's at least one in existence so we don't need a semaphore to
protect it.  Emphasize this by *not* returning a pointer to
the referenced operation.

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

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Alex Elder 2014-11-21 19:29:15 -06:00 • committed by Greg Kroah-Hartman

parent 583c3117a4

commit deb4b9efb3

2 changed files with 18 additions and 5 deletions

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21

drivers/staging/greybus/operation.c

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2

drivers/staging/greybus/operation.h

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