Author: royger
Date: Thu Feb 11 11:57:12 2016
New Revision: 295513
URL: https://svnweb.freebsd.org/changeset/base/295513

Log:
  xen-netfront: remove useless NULL check in netif_free
  
  xn_ifp is allocated in create_netdev with if_alloc(IFT_ETHER).
  According to the current arrangement it can't be NULL.
  
  Coverity ID:          1349805
  Submitted by:         Wei Liu <wei.l...@citrix.com>
  Reviewed by:          royger
  Sponsored by:         Citrix Systems R&D
  Differential revision:        https://reviews.freebsd.org/D5252

Modified:
  head/sys/dev/xen/netfront/netfront.c

Modified: head/sys/dev/xen/netfront/netfront.c
==============================================================================
--- head/sys/dev/xen/netfront/netfront.c        Thu Feb 11 11:55:37 2016        
(r295512)
+++ head/sys/dev/xen/netfront/netfront.c        Thu Feb 11 11:57:12 2016        
(r295513)
@@ -2280,11 +2280,9 @@ netif_free(struct netfront_info *np)
        netif_disconnect_backend(np);
        free(np->rxq, M_DEVBUF);
        free(np->txq, M_DEVBUF);
-       if (np->xn_ifp != NULL) {
-               ether_ifdetach(np->xn_ifp);
-               if_free(np->xn_ifp);
-               np->xn_ifp = NULL;
-       }
+       ether_ifdetach(np->xn_ifp);
+       if_free(np->xn_ifp);
+       np->xn_ifp = NULL;
        ifmedia_removeall(&np->sc_media);
 }
 
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