From: Willem de Bruijn <will...@google.com>
Date: Sun, 17 May 2015 19:44:02 -0400
> Rollover can be enabled as flag or mode. Allocate state in both cases.
> This solves a NULL pointer exception in fanout_demux_rollover on
> referencing po->rollover if using mode rollover.
>
> Also make sure that in rollover mode each silo is tried (contrary
> to rollover flag, where the main socket is excluded after an initial
> try_self).
>
> Tested:
> Passes tools/testing/net/psock_fanout.c, which tests both modes and
> flag. My previous tests were limited to bench_rollover, which only
> stresses the flag. The test now completes safely. it still gives an
> error for mode rollover, because it does not expect the new headroom
> (ROOM_NORMAL) requirement. I will send a separate patch to the test.
>
> Fixes: 0648ab70afe6 ("packet: rollover prepare: per-socket state")
>
> Signed-off-by: Willem de Bruijn <will...@google.com>
Applied, thanks Willem.
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