[PATCH] input: tm2-touchkey: fix odd_ptr_err.cocci warnings

[Julia Lawall]

PTR_ERR should access the value just tested by IS_ERR

Generated by: scripts/coccinelle/tests/odd_ptr_err.cocci

CC: Jaechul Lee <jcsing.lee at samsung.com>
Signed-off-by: Julia Lawall <julia.lawall at lip6.fr>
Signed-off-by: Fengguang Wu <fengguang.wu at intel.com>
---

I have only looked at the extract of code that is shown here.  It could be
the test that is wrong.

The code comes from:

url:
https://github.com/0day-ci/linux/commits/Jaechul-Lee/Add-touch-key-driver-su
pport-for-TM2/20170103-183357
:::::: branch date: 2 hours ago
:::::: commit date: 2 hours ago

 tm2-touchkey.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/input/keyboard/tm2-touchkey.c
+++ b/drivers/input/keyboard/tm2-touchkey.c
@@ -196,7 +196,7 @@ static int tm2_touchkey_probe(struct i2c
 				devm_regulator_get(&client->dev, "vdd");
 	if (IS_ERR(samsung_touchkey->regulator_vdd)) {
 		dev_err(&client->dev, "Failed to get vdd regulator\n");
-		return PTR_ERR(samsung_touchkey->regulator_vcc);
+		return PTR_ERR(samsung_touchkey->regulator_vdd);
 	}

 	/* power */