svn commit: r184309 - head/sys/arm/at91

[Stanislav Sedov]

Author: stas
Date: Sun Oct 26 22:52:57 2008
New Revision: 184309
URL: http://svn.freebsd.org/changeset/base/184309

Log:
  - Add a missing NULL-pointer check.
  
  Reviewed by:	cognet
  Approved by:	kib (mentor, implicit)
  MFC after:	3 days

Modified:
  head/sys/arm/at91/at91.c

Modified: head/sys/arm/at91/at91.c
==============================================================================
--- head/sys/arm/at91/at91.c	Sun Oct 26 22:46:37 2008	(r184308)
+++ head/sys/arm/at91/at91.c	Sun Oct 26 22:52:57 2008	(r184309)
@@ -534,8 +534,10 @@ at91_alloc_resource(device_t dev, device
 	case SYS_RES_MEMORY:
 		rle->res = rman_reserve_resource(&sc->sc_mem_rman,
 		    start, end, count, flags, child);
-		rman_set_bustag(rle->res, &at91_bs_tag);
-		rman_set_bushandle(rle->res, start);
+		if (rle->res != NULL) {
+			rman_set_bustag(rle->res, &at91_bs_tag);
+			rman_set_bushandle(rle->res, start);
+		}
 		break;
 	}
 	if (rle->res) {