[PATCH 1/2] input: touchscreen: mxs-lradc: Checking for ERR_PTR instead of NULL in probe

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devm_ioremap() returns NULL on error.  It never returns error pointers.

Fixes: d81ca730e3e4 ("input: touchscreen: mxs-lradc: Add support for touchscreen")
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>

diff --git a/drivers/input/touchscreen/mxs-lradc-ts.c b/drivers/input/touchscreen/mxs-lradc-ts.c
index 4b4aebfe3e7f..ff9cda29d9a0 100644
--- a/drivers/input/touchscreen/mxs-lradc-ts.c
+++ b/drivers/input/touchscreen/mxs-lradc-ts.c
@@ -631,8 +631,8 @@ static int mxs_lradc_ts_probe(struct platform_device *pdev)
 
 	iores = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	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);
--
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