[Differential] D1944: PF and VIMAGE fixes

[kristof (Kristof Provost)]

kristof added inline comments.

INLINE COMMENTS
  sys/netpfil/pf/pf_if.c:130 I don't understand why this is required. Surely if an ifnet lives in V_ifnet (so, lives in the current vnet) ifp->if_vnet is always going to be curvnet?
  sys/netpfil/pf/pf_if.c:141 Why add curvnet here?
  pfi_attach_ifnet_event doesn't use its argument.
  sys/netpfil/pf/pf_if.c:143 Same as above.
  sys/netpfil/pf/pf_if.c:151 Same as above.
  sys/netpfil/pf/pf_if.c:814 I believe this is correct, but should probably include adding an __unused annotation to arg, and removing the 'curvnet' argument from the EVENTHANDLER_REGISTER() call.

REVISION DETAIL
  https://reviews.freebsd.org/D1944

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To: nvass-gmx.com, bz, trociny, kristof, gnn, zec, rodrigc, glebius, eri
Cc: ryan_timewasted.me, mmoll, javier_ovi_yahoo.com, farrokhi, julian, robak, freebsd-virtualization-list, freebsd-pf-list, freebsd-net-list