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| author | Johan Hovold <johan@hovoldconsulting.com> | 2015-07-14 15:43:26 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@google.com> | 2015-07-15 12:39:13 -0700 |
| commit | fd7134a3cd0a1b3f91e66922534a796145c85eef (patch) | |
| tree | 2516e903d1dccb76d9bc42672a0d5c031eb7419d /drivers/staging/greybus/operation.h | |
| parent | 3eeac7e37ce9856e53693772dfe81a79b57b5a00 (diff) | |
| download | op-kernel-dev-fd7134a3cd0a1b3f91e66922534a796145c85eef.zip op-kernel-dev-fd7134a3cd0a1b3f91e66922534a796145c85eef.tar.gz | |
greybus: operation: make cancellation synchronous
Make sure to wait for the operation to become inactive before returning
after having cancelled an operation.
This makes sure that any ongoing operation completion callbacks have
finished.
Signed-off-by: Johan Hovold <johan@hovoldconsulting.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Diffstat (limited to 'drivers/staging/greybus/operation.h')
| -rw-r--r-- | drivers/staging/greybus/operation.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/staging/greybus/operation.h b/drivers/staging/greybus/operation.h index b323866..c8aaf90 100644 --- a/drivers/staging/greybus/operation.h +++ b/drivers/staging/greybus/operation.h @@ -128,6 +128,7 @@ struct gb_operation { struct kref kref; atomic_t active; + atomic_t waiters; struct list_head links; /* connection->operations */ }; |
