iio: dac: mcp4725: fix odd_ptr_err.cocci warnings

PTR_ERR should access the value just tested by IS_ERR

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

CC: Tomas Novotny <tomas@novotny.cz>
Signed-off-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

diff --git a/drivers/iio/dac/mcp4725.c b/drivers/iio/dac/mcp4725.c
index fae80eb1a98a0a52a357447d87abd1282a82bab6..db109f0cdd8c7e733cfe380157ba214c55c301b2 100644 (file)
--- a/drivers/iio/dac/mcp4725.c
+++ b/drivers/iio/dac/mcp4725.c
@@ -449,7 +449,7 @@ static int mcp4725_probe(struct i2c_client *client,
        if (pdata->use_vref) {
                data->vref_reg = devm_regulator_get(&client->dev, "vref");
                if (IS_ERR(data->vref_reg)) {
-                       err = PTR_ERR(data->vdd_reg);
+                       err = PTR_ERR(data->vref_reg);
                        goto err_disable_vdd_reg;
                }