From 25982a6e2d52a70ed5eefcf7b1829a65ba6e423c Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Mon, 6 Aug 2012 18:51:14 +0000
Subject: [PATCH] In cxgb(4), in function iwch_reregister_phys_mem(),
 initialize the 'npages' variable to zero, to avoid using it uninitialized in
 certain cases.

Found by:	clang
Reviewed by:	np
MFC after:	1 week
---
 sys/dev/cxgb/ulp/iw_cxgb/iw_cxgb_provider.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sys/dev/cxgb/ulp/iw_cxgb/iw_cxgb_provider.c b/sys/dev/cxgb/ulp/iw_cxgb/iw_cxgb_provider.c
index 4961395bfad..9d6944aa1d7 100644
--- a/sys/dev/cxgb/ulp/iw_cxgb/iw_cxgb_provider.c
+++ b/sys/dev/cxgb/ulp/iw_cxgb/iw_cxgb_provider.c
@@ -487,7 +487,7 @@ static int iwch_reregister_phys_mem(struct ib_mr *mr,
 	__be64 *page_list = NULL;
 	int shift = 0;
 	u64 total_size;
-	int npages;
+	int npages = 0;
 	int ret;
 
 	CTR3(KTR_IW_CXGB, "%s ib_mr %p ib_pd %p", __FUNCTION__, mr, pd);