svn commit: r257513 - stable/10/sys/dev/hyperv/netvsc

[Xin LI]

Author: delphij
Date: Fri Nov  1 17:39:59 2013
New Revision: 257513
URL: http://svnweb.freebsd.org/changeset/base/257513

Log:
  MFC r257369:
  
  Don't reference pointer before testing whether it is
  NULL.
  
  Submitted by:	Clement Lecigne <clecigne google com>
  Reviewed by:	grehan
  Approved by:	re (kib)

Modified:
  stable/10/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c
Directory Properties:
  stable/10/sys/   (props changed)
  stable/10/sys/dev/hyperv/   (props changed)

Modified: stable/10/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c
==============================================================================
--- stable/10/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c	Fri Nov  1 17:38:52 2013	(r257512)
+++ stable/10/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c	Fri Nov  1 17:39:59 2013	(r257513)
@@ -621,13 +621,15 @@ netvsc_recv(struct hv_device *device_ctx
 {
 	hn_softc_t *sc = (hn_softc_t *)device_get_softc(device_ctx->device);
 	struct mbuf *m_new;
-	struct ifnet *ifp = sc->hn_ifp;
+	struct ifnet *ifp;
 	int size;
 	int i;
 
 	if (sc == NULL) {
 		return (0); /* TODO: KYS how can this be! */
 	}
+
+	ifp = sc->hn_ifp;
 	
 	ifp = sc->arpcom.ac_ifp;