From e48060ce2c7f73e424272bd6f5d9f996f1853064 Mon Sep 17 00:00:00 2001 From: Fabio Estevam Date: Mon, 14 Aug 2017 10:26:27 -0700 Subject: [PATCH] Input: mxs-lradc - do a NULL check on iores platform_get_resource() may fail, so we should better do a NULL check and return error on failure. Signed-off-by: Fabio Estevam Signed-off-by: Dmitry Torokhov --- drivers/input/touchscreen/mxs-lradc-ts.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/input/touchscreen/mxs-lradc-ts.c b/drivers/input/touchscreen/mxs-lradc-ts.c index 58c016cd6809..71bf493e8b58 100644 --- a/drivers/input/touchscreen/mxs-lradc-ts.c +++ b/drivers/input/touchscreen/mxs-lradc-ts.c @@ -630,6 +630,8 @@ static int mxs_lradc_ts_probe(struct platform_device *pdev) spin_lock_init(&ts->lock); iores = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!iores) + return -EINVAL; ts->base = devm_ioremap(dev, iores->start, resource_size(iores)); if (IS_ERR(ts->base)) return PTR_ERR(ts->base);