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894cbc3136
An operation result can be set both in and out of interrupt context. For example, a response message could be arriving at the same time a timeout of the operation is getting processed. We therefore need to ensure the result is accessed atomically. Protect updates to the errno field using the operations spinlock. Signed-off-by: Alex Elder <elder@linaro.org> Signed-off-by: Greg Kroah-Hartman <greg@kroah.com> |
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