From 1ac62b914ec9f478cc0ed63a45a87196a583b073 Mon Sep 17 00:00:00 2001
From: Michael Brown <mcb30@ipxe.org>
Date: Fri, 20 Jul 2012 19:18:50 +0100
Subject: [PATCH] [qib7322] Fix compiler warning on gcc 4.7

Originally-fixed-by: Christian Hesse <list@eworm.de>
Signed-off-by: Michael Brown <mcb30@ipxe.org>
---
 src/drivers/infiniband/qib7322.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/drivers/infiniband/qib7322.c b/src/drivers/infiniband/qib7322.c
index b66f8eff..8b61b8dc 100644
--- a/src/drivers/infiniband/qib7322.c
+++ b/src/drivers/infiniband/qib7322.c
@@ -2062,6 +2062,9 @@ static int qib7322_ahb_read ( struct qib7322 *qib7322, unsigned int location,
 	struct QIB_7322_ahb_transaction_reg xact;
 	int rc;
 
+	/* Avoid returning uninitialised data on error */
+	*data = 0;
+
 	/* Initiate transaction */
 	memset ( &xact, 0, sizeof ( xact ) );
 	BIT_FILL_2 ( &xact,