svn commit: r256951 - head/sys/geom/nop

[Mateusz Guzik]

Author: mjg
Date: Wed Oct 23 01:34:18 2013
New Revision: 256951
URL: http://svnweb.freebsd.org/changeset/base/256951

Log:
  gnop: make sure that newly allocated memory for softc is zeroed
  
  This prevents mtx_init from encountering non-zeros and panicking
  the kernel as a result.
  
  Reported by:	Keith White <kwhite site.uottawa.ca>

Modified:
  head/sys/geom/nop/g_nop.c

Modified: head/sys/geom/nop/g_nop.c
==============================================================================
--- head/sys/geom/nop/g_nop.c	Wed Oct 23 00:43:22 2013	(r256950)
+++ head/sys/geom/nop/g_nop.c	Wed Oct 23 01:34:18 2013	(r256951)
@@ -216,7 +216,7 @@ g_nop_create(struct gctl_req *req, struc
 		}
 	}
 	gp = g_new_geomf(mp, "%s", name);
-	sc = g_malloc(sizeof(*sc), M_WAITOK);
+	sc = g_malloc(sizeof(*sc), M_WAITOK | M_ZERO);
 	sc->sc_offset = offset;
 	sc->sc_explicitsize = explicitsize;
 	sc->sc_error = ioerror;