svn commit: r221005 - head/sys/dev/msk

[Gleb Smirnoff]

Author: glebius
Date: Mon Apr 25 04:55:50 2011
New Revision: 221005
URL: http://svn.freebsd.org/changeset/base/221005

Log:
  When msk_detach() is called from msk_attach(), ifp may be
  yet not initialized.

Modified:
  head/sys/dev/msk/if_msk.c

Modified: head/sys/dev/msk/if_msk.c
==============================================================================
--- head/sys/dev/msk/if_msk.c	Mon Apr 25 04:33:42 2011	(r221004)
+++ head/sys/dev/msk/if_msk.c	Mon Apr 25 04:55:50 2011	(r221005)
@@ -1964,7 +1964,8 @@ msk_detach(device_t dev)
 		/* Can't hold locks while calling detach. */
 		MSK_IF_UNLOCK(sc_if);
 		callout_drain(&sc_if->msk_tick_ch);
-		ether_ifdetach(ifp);
+		if (ifp)
+			ether_ifdetach(ifp);
 		MSK_IF_LOCK(sc_if);
 	}