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Input: snvs_pwrkey - fix returned value check of syscon_regmap_lookup_by_phandle()

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On error syscon_regmap_lookup_by_phandle() returns ERR_PTR() value,
which makes a check for NULL invalid and may lead to oops on error
path.

Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Vladimir Zapolskiy 2016-03-08 11:06:39 -08:00 committed by Dmitry Torokhov
parent 62d5bdf972
commit 9979c1c707
1 changed files with 2 additions and 2 deletions
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4
drivers/input/keyboard/snvs_pwrkey.c
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@ -111,9 +111,9 @@ static int imx_snvs_pwrkey_probe(struct platform_device *pdev)
return -ENOMEM;
pdata->snvs = syscon_regmap_lookup_by_phandle(np, "regmap");
if (!pdata->snvs) {
if (IS_ERR(pdata->snvs)) {
dev_err(&pdev->dev, "Can't get snvs syscon\n");
return -ENODEV;
return PTR_ERR(pdata->snvs);
}
if (of_property_read_u32(np, "linux,keycode", &pdata->keycode)) {