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Alex Elder f68c05c021 greybus: cancel operation on timeout If an operation times out, we need to cancel whatever message it has in-flight. Do that instead of completing the operation, in the timeout handler. When the in-flight request message is canceled its completion function will lead to the proper completion of the operation. Change gb_operation_cancel() so it takes the errno that it's supposed to assign as the result of the operation. Note that we want to preserve the original -ETIMEDOUT error, so don't overwrite the operation result value if it has already been set. Signed-off-by: Alex Elder <elder@linaro.org> Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>	History 2014-11-21 19:36:42 -08:00
drivers/staging/greybus	greybus: cancel operation on timeout	2014-11-21 19:36:42 -08:00

Alex Elder f68c05c021 greybus: cancel operation on timeout

If an operation times out, we need to cancel whatever message it
has in-flight.  Do that instead of completing the operation, in the
timeout handler.  When the in-flight request message is canceled its
completion function will lead to the proper completion of the
operation.

Change gb_operation_cancel() so it takes the errno that it's
supposed to assign as the result of the operation.

Note that we want to preserve the original -ETIMEDOUT error, so
don't overwrite the operation result value if it has already been
set.

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

History

2014-11-21 19:36:42 -08:00

drivers/staging/greybus

greybus: cancel operation on timeout

2014-11-21 19:36:42 -08:00