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f72dd56690
If IPoIB fails to look up a path record (eg if it tries during an SM failover when one SM is dead but the new one hasn't taken over yet), the driver ends up with a neighbour structure but no address handle (AH). There's no mechanism to recover from this: any further packets sent to this destination will be silently dumped in ipoib_start_xmit(). Fix this by freeing the neighbour structures when a path rec query fails, so that the next packet queued to be sent will trigger a new path record query. Signed-off-by: Roland Dreier <roland@purestorage.com> |
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