From e7d8b7e43f49c1b33851e2aeffba75beb99e4e73 Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Fri, 8 Nov 2013 17:27:22 +0000
Subject: [PATCH] Initialize variable in sys/x86/iommu/busdma_dmar.c, to avoid
 possible uninitialized use.

Reviewed by:	kib
---
 sys/x86/iommu/busdma_dmar.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sys/x86/iommu/busdma_dmar.c b/sys/x86/iommu/busdma_dmar.c
index df8799a4078..cada29d4143 100644
--- a/sys/x86/iommu/busdma_dmar.c
+++ b/sys/x86/iommu/busdma_dmar.c
@@ -341,6 +341,7 @@ dmar_bus_dmamap_load_something1(struct bus_dma_tag_dmar *tag,
 		segs = tag->segments;
 	ctx = tag->ctx;
 	seg = *segp;
+	error = 0;
 	idx = 0;
 	while (buflen > 0) {
 		seg++;