From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Ross Zwisler , Dan Williams , Sasha Levin Subject: [PATCH 4.14 145/178] dev/dax: fix uninitialized variable build warning Date: Mon, 18 Dec 2017 16:49:41 +0100 Message-Id: <20171218152926.901770351@linuxfoundation.org> In-Reply-To: <20171218152920.567991776@linuxfoundation.org> References: <20171218152920.567991776@linuxfoundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: 4.14-stable review patch. If anyone has any objections, please let me know. ------------------ From: Ross Zwisler [ Upstream commit 0a3ff78699d1817e711441715d22665475466036 ] Fix this build warning: warning: 'phys' may be used uninitialized in this function [-Wuninitialized] As reported here: https://lkml.org/lkml/2017/10/16/152 http://kisskb.ellerman.id.au/kisskb/buildresult/13181373/log/ Signed-off-by: Ross Zwisler Signed-off-by: Dan Williams Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- drivers/dax/device.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- a/drivers/dax/device.c +++ b/drivers/dax/device.c @@ -222,7 +222,8 @@ __weak phys_addr_t dax_pgoff_to_phys(str unsigned long size) { struct resource *res; - phys_addr_t phys; + /* gcc-4.6.3-nolibc for i386 complains that this is uninitialized */ + phys_addr_t uninitialized_var(phys); int i; for (i = 0; i < dev_dax->num_resources; i++) {