--- src/sys/kern/subr_diskslice.c	2006/07/04 19:54:08	1.20
+++ src/sys/kern/subr_diskslice.c	2006/07/28 02:17:40	1.21
@@ -58,6 +58,7 @@
 #include <sys/malloc.h>
 #include <sys/stat.h>
 #include <sys/syslog.h>
+#include <sys/proc.h>
 #include <sys/vnode.h>
 #include <sys/device.h>
 #include <sys/thread2.h>
@@ -820,9 +821,9 @@ dssize(dev_t dev, struct diskslices **ss
 	ssp = *sspp;
 	if (ssp == NULL || slice >= ssp->dss_nslices
 	    || !(ssp->dss_slices[slice].ds_openmask & (1 << part))) {
-		if (dev_dopen(dev, FREAD, S_IFCHR, NULL) != 0)
+		if (dev_dopen(dev, FREAD, S_IFCHR, proc0.p_ucred) != 0)
 			return (-1);
-		dev_dclose(dev, FREAD, S_IFCHR, NULL);
+		dev_dclose(dev, FREAD, S_IFCHR);
 		ssp = *sspp;
 	}
 	lp = ssp->dss_slices[slice].ds_label;