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Commit 6ecd36d7 authored by Pan Bian's avatar Pan Bian Committed by Dmitry Torokhov
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Input: mxs-lradc - use correct error check 



Function devm_ioremap() will return a NULL pointer on failure. However,
in function mxs_lradc_ts_probe(), its return value is checked with
IS_ERR(), which cannot detect the exceptional case.

Signed-off-by: default avatarPan Bian <bianpan2016@163.com>
Signed-off-by: default avatarDmitry Torokhov <dmitry.torokhov@gmail.com>
parent e48060ce

drivers/input/touchscreen/mxs-lradc-ts.c

+2 −2
Original line number Diff line number Diff line
@@ -633,8 +633,8 @@ static int mxs_lradc_ts_probe(struct platform_device *pdev) 
	if (!iores)

		return -EINVAL;

	ts->base = devm_ioremap(dev, iores->start, resource_size(iores));

	if (IS_ERR(ts->base))

		return PTR_ERR(ts->base);

	if (!ts->base)

		return -ENOMEM;



	ret = of_property_read_u32(node, "fsl,lradc-touchscreen-wires",

				   &ts_wires);