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DIR:OUT; SFP:1102; SCL:1; SRVR:DM5PR2101MB0902; H:DM5PR2101MB1032.namprd21.prod.outlook.com; FPR:; SPF:None; PTR:InfoNoRecords; A:1; MX:1; LANG:en; received-spf: None (protection.outlook.com: microsoft.com does not designate permitted sender hosts) authentication-results: spf=none (sender IP is ) smtp.mailfrom=Alexander.Levin@microsoft.com; x-microsoft-antispam-message-info: YwcQW71T27BQbarE8twCGf3ZGp7TsuH0iAWy64qNiOLY3uEVpdVwMLhk2c5hawZsuu6Wukx1eD8Cy9N/4dgCGBC/fUO9Wyx/EQBA5GTjYBfRuXW0HVwXveI1ayq+PiSbQvVR5qDrgwuXYrsOy/U2RN6evqdmm15W0Wt5Bp+XOho= spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM MIME-Version: 1.0 X-OriginatorOrg: microsoft.com X-MS-Exchange-CrossTenant-Network-Message-Id: e5efe3e0-749f-4b5a-45e8-08d57f8a94d1 X-MS-Exchange-CrossTenant-originalarrivaltime: 01 Mar 2018 15:27:37.8646 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 72f988bf-86f1-41af-91ab-2d7cd011db47 X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM5PR2101MB0902 Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Arnd Bergmann This patch has been added to the 4.1 stable tree. If you have any objections, please let us know. -- 2.14.1 =============== [ Upstream commit b97baa3e22e18dac42001e665cf27ad1211bf878 ] The i2c client pointer is only used when CONFIG_I2C is set, and otherwise produces a compile-time warning: drivers/media/usb/hdpvr/hdpvr-core.c: In function 'hdpvr_probe': drivers/media/usb/hdpvr/hdpvr-core.c:276:21: error: unused variable 'client' [-Werror=unused-variable] This uses the same #ifdef to hide the variable when the code using it is hidden. Signed-off-by: Arnd Bergmann Signed-off-by: Mauro Carvalho Chehab Signed-off-by: Sasha Levin --- drivers/media/usb/hdpvr/hdpvr-core.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/media/usb/hdpvr/hdpvr-core.c b/drivers/media/usb/hdpvr/hdpvr-core.c index 3fc64197b4e6..08f0ca7aa012 100644 --- a/drivers/media/usb/hdpvr/hdpvr-core.c +++ b/drivers/media/usb/hdpvr/hdpvr-core.c @@ -273,7 +273,9 @@ static int hdpvr_probe(struct usb_interface *interface, struct hdpvr_device *dev; struct usb_host_interface *iface_desc; struct usb_endpoint_descriptor *endpoint; +#if IS_ENABLED(CONFIG_I2C) struct i2c_client *client; +#endif size_t buffer_size; int i; int retval = -ENOMEM;