util: Remove need for ret in virPCIGetPhysicalFunction
Since the callers only ever expect 0 or -1, let's just return that directly
Signed-off-by: NJohn Ferlan <jferlan@redhat.com>
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Since the callers only ever expect 0 or -1, let's just return that directly
Signed-off-by: NJohn Ferlan <jferlan@redhat.com>