[PATCH] frv: misc sparse annotations

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/include/asm-frv/highmem.h b/include/asm-frv/highmem.h
index cfbf7d3..e2247c2 100644
--- a/include/asm-frv/highmem.h
+++ b/include/asm-frv/highmem.h
@@ -134,7 +134,7 @@
 
 	default:
 		BUG();
-		return 0;
+		return NULL;
 	}
 }