[libvirt] [PATCH 0/5] Revert virNetDevSendEthtoolIoctl logging errors and adjust code after
Daniel P. Berrange
berrange at redhat.com
Fri Nov 6 16:49:24 UTC 2015
On Fri, Nov 06, 2015 at 11:39:26AM -0500, John Ferlan wrote:
> It's partially a reposting, partially some new stuff, and perhaps a v2
> of something else.
>
> Patch 1 is Dan's revert patch - just because it's easier to have it
> done first.
>
> Patches 2 & 3 just adjust comments - no functional changes
>
> Patch 4 adds a check for root in virNetDevGetFeatures (rather than
> both of the callers). If not root, an empty bitmap would be returned
> (somewhat similar to what a platform without the features does). I'm
> not against moving the check to before the virBitmapNew; however, I
> was considering the case of xml parsing which does a virBitmapFree,
> then just calls virNetDevGetFeatures. Not filling in the *out with
> either NULL or an empty bitmap would result in that caller referencing
> a net.features which no longer exists. If the check should be done
> before the virBitmapNew, then an "*out = NULL" would need to be
> added before returning 0 just to be 'safe'...
>
> As an aside, it just felt better to add one check rather than two.
>
> Patch 5 restore the virNetDevSetupControl from the reverted patch
> back into virNetDevSendEthtoolIoctl. Since we cannot be called unless
> we're privileged and the ioctl shouldn't fail any with EPERM, that
> was also removed from the list of filtered failure errno values.
ACK to all 5. THanks for picking this work up.
Regards,
Daniel
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