From: Michael Brown <mcb30@ipxe.org>
Date: Fri, 20 Jul 2012 18:18:50 +0000 (+0100)
Subject: [qib7322] Fix compiler warning on gcc 4.7
X-Git-Tag: v1.20.1~1691
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1ac62b914ec9f478cc0ed63a45a87196a583b073;p=thirdparty%2Fipxe.git

[qib7322] Fix compiler warning on gcc 4.7

Originally-fixed-by: Christian Hesse <list@eworm.de>
Signed-off-by: Michael Brown <mcb30@ipxe.org>
---

diff --git a/src/drivers/infiniband/qib7322.c b/src/drivers/infiniband/qib7322.c
index b66f8eff9..8b61b8dc8 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,