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Re: [libvirt] [PATCH] network: Resolve some issues around vlan copying

On 01/16/2013 12:55 PM, Laine Stump wrote:
> From: John Ferlan <jferlan redhat com>
> Remove extraneous check for 'netdef' when dereferencing for vlan.nTags.
> Prior code would already check if netdef was NULL.
> Coverity complained about a path where the 'vlan' was potentially valid,
> but a prior checks may not have allocated 'iface->data.network.actual',
> so like other paths it needs to be allocated on the fly.
> Move the copying of vlan up earlier in networkAllocateActualDevice, so
> that actual.type gets properly set.
> Since the first assignment to vlan is redundant except in the case of
> jumping immediately to validate from the start of the function,
> eliminate its initial setting at the top of the function in favor of
> calling the helper function virDomainNetGetActualVlan() (which doesn't
> depend on the local vlan pointer being initialized) down at validate:
> ---
> Difference's between John's V1 and this V2 are described in paragraphs
> 2 and 3 above. I moved the lines that John changed, but left his
> changes intact.
>  src/network/bridge_driver.c | 37 ++++++++++++++++++++-----------------
>  1 file changed, 20 insertions(+), 17 deletions(-)


The change removes the Coverity warning.


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