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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 | linux-stable-fd7134a3cd0a1b3f91e66922534a796145c85eef.tar.gz linux-stable-fd7134a3cd0a1b3f91e66922534a796145c85eef.tar.bz2 linux-stable-fd7134a3cd0a1b3f91e66922534a796145c85eef.zip | |
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 b32386636f6e..c8aaf90a006a 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 */ }; |