[ovs-dev] [PATCH v2 2/2] flow: Add helper to zero padding of flow
Ben Pfaff
blp at nicira.com
Wed Sep 25 16:03:17 UTC 2013
On Wed, Sep 25, 2013 at 08:57:08AM -0700, Ben Pfaff wrote:
> On Wed, Sep 25, 2013 at 01:31:08PM +0900, Simon Horman wrote:
> > The sole purpose of this change is to avoid sparse warnings
> > about memset of zero length in the case where the zero field
> > of struct flow is zero bytes long, as is the case after
> > "Remove mpls_depth field from flow".
> >
> > Signed-off-by: Simon Horman <horms at verge.net.au>
> >
> > ---
> >
> > This patch could trivially be: applied as-is; trivially up-dated
> > so that it can be applied before "Remove mpls_depth field from flow."
> > which would also need to be trivially updated; or dropped entirely.
> > I am equally comfortable with any of those options.
>
> Previously when we've needed no padding we've just deleted the 'zeros'
> member entirely. I think that's what I'd prefer this time too.
Oh and I'd prefer to see that done as part of patch 1.
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