greybus: operation: fix operation-destroy race

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Make sure to acquire the connection-list lock atomically when releasing
the final reference.

This allows the list to be traversed and references to be acquired
(while holding the lock) without racing with the destructor.

Suggested-by: Greg Kroah-Hartman <gregkh@google.com>
Signed-off-by: Johan Hovold <johan@hovoldconsulting.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>

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Johan Hovold 2015-07-09 15:17:58 +02:00 • committed by Greg Kroah-Hartman

parent 5c1ac69455

commit 85109f7ddd

1 changed files with 6 additions and 5 deletions

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11

drivers/staging/greybus/operation.c

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