svn commit: r225333 - stable/7/sys/sparc64/sbus

[Marius Strobl]

Author: marius
Date: Fri Sep  2 16:18:06 2011
New Revision: 225333
URL: http://svn.freebsd.org/changeset/base/225333

Log:
  MFC: r225229
  
  Since r221218 rman_manage_region(9) actually honors rm_start and rm_end
  which may cause problems when these contain garbage so zero the range
  descriptors embedding the rmans when allocating them.

Modified:
  stable/7/sys/sparc64/sbus/sbus.c
Directory Properties:
  stable/7/sys/   (props changed)
  stable/7/sys/cddl/contrib/opensolaris/   (props changed)
  stable/7/sys/contrib/dev/acpica/   (props changed)
  stable/7/sys/contrib/pf/   (props changed)

Modified: stable/7/sys/sparc64/sbus/sbus.c
==============================================================================
--- stable/7/sys/sparc64/sbus/sbus.c	Fri Sep  2 16:17:52 2011	(r225332)
+++ stable/7/sys/sparc64/sbus/sbus.c	Fri Sep  2 16:18:06 2011	(r225333)
@@ -348,8 +348,8 @@ sbus_attach(device_t dev)
 	    sizeof(*range), (void **)&range)) == -1) {
 		panic("%s: error getting ranges property", __func__);
 	}
-	sc->sc_rd = (struct sbus_rd *)malloc(sizeof(*sc->sc_rd) * sc->sc_nrange,
-	    M_DEVBUF, M_NOWAIT);
+	sc->sc_rd = malloc(sizeof(*sc->sc_rd) * sc->sc_nrange, M_DEVBUF,
+	    M_NOWAIT | M_ZERO);
 	if (sc->sc_rd == NULL)
 		panic("%s: cannot allocate rmans", __func__);
 	/*