From b93c97c14ab6502b86085fdadc5ee8aa7ec7348c Mon Sep 17 00:00:00 2001
From: "Pedro F. Giffuni" <pfg@FreeBSD.org>
Date: Thu, 14 Apr 2016 17:25:50 +0000
Subject: [PATCH] risc-v: for pointers replace 0 with NULL.

These are mostly cosmetical, no functional change.

Found with devel/coccinelle.
---
 sys/riscv/riscv/nexus.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sys/riscv/riscv/nexus.c b/sys/riscv/riscv/nexus.c
index a4ced760eea..75e16b881f1 100644
--- a/sys/riscv/riscv/nexus.c
+++ b/sys/riscv/riscv/nexus.c
@@ -242,7 +242,7 @@ nexus_alloc_resource(device_t bus, device_t child, int type, int *rid,
 	}
 
 	rv = rman_reserve_resource(rm, start, end, count, flags, child);
-	if (rv == 0)
+	if (rv == NULL)
 		return (NULL);
 
 	rman_set_rid(rv, *rid);