Re: [PATCH v3 net-next] sock: Reset dst when changing sk_mark via setsockopt

On 11/08/2018 06:13 AM, David Barmann wrote:

When setting the SO_MARK socket option, if the mark changes, the dst
needs to be reset so that a new route lookup is performed.

This fixes the case where an application wants to change routing by
setting a new sk_mark.  If this is done after some packets have already
been sent, the dst is cached and has no effect.

Signed-off-by: David Barmann <redacted>
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Reviewed-by: Eric Dumazet <edumazet@google.com>

Thanks David !