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authorFabio Estevam <fabio.estevam@nxp.com>2017-08-14 20:26:27 +0300
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2017-08-15 06:23:46 +0300
commite48060ce2c7f73e424272bd6f5d9f996f1853064 (patch)
treedd37c9f0411f8dad577605cb1fb54c25a30c0bf4 /drivers/input/touchscreen/mxs-lradc-ts.c
parent94aef061c796d3d47f1a2eed41e651ffaaade402 (diff)
downloadlinux-e48060ce2c7f73e424272bd6f5d9f996f1853064.tar.xz
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 <fabio.estevam@nxp.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Diffstat (limited to 'drivers/input/touchscreen/mxs-lradc-ts.c')
-rw-r--r--drivers/input/touchscreen/mxs-lradc-ts.c2
1 files changed, 2 insertions, 0 deletions
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);