From 52e17089d1850774d2ef583cdef2b060b84fca8c Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Mon, 26 Feb 2018 08:33:41 -0500 Subject: [PATCH] media: imx: Don't initialize vars that won't be used As reported by gcc: + drivers/staging/media/imx/imx-media-csi.c: warning: variable 'input_fi' set but not used [-Wunused-but-set-variable]: => 671:33 + drivers/staging/media/imx/imx-media-csi.c: warning: variable 'pinctrl' set but not used [-Wunused-but-set-variable]: => 1742:18 input_fi is not used, so just remove it. However, pinctrl should be used, as it devm_pinctrl_get_select_default() is declared with attribute warn_unused_result. What's missing there is an error handling code, in case it fails. Add it. Signed-off-by: Mauro Carvalho Chehab --- drivers/staging/media/imx/imx-media-csi.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/staging/media/imx/imx-media-csi.c b/drivers/staging/media/imx/imx-media-csi.c index eb7be50..49b5746 100644 --- a/drivers/staging/media/imx/imx-media-csi.c +++ b/drivers/staging/media/imx/imx-media-csi.c @@ -668,11 +668,10 @@ static int csi_setup(struct csi_priv *priv) static int csi_start(struct csi_priv *priv) { - struct v4l2_fract *output_fi, *input_fi; + struct v4l2_fract *output_fi; int ret; output_fi = &priv->frame_interval[priv->active_output_pad]; - input_fi = &priv->frame_interval[CSI_SINK_PAD]; if (priv->dest == IPU_CSI_DEST_IDMAC) { ret = csi_idmac_start(priv); @@ -1797,6 +1796,10 @@ static int imx_csi_probe(struct platform_device *pdev) */ priv->dev->of_node = pdata->of_node; pinctrl = devm_pinctrl_get_select_default(priv->dev); + if (IS_ERR(pinctrl)) { + ret = PTR_ERR(priv->vdev); + goto free; + } ret = v4l2_async_register_subdev(&priv->sd); if (ret) -- 2.7.4