regulator: pca9450: Fix return value when failing to get sd-vsel GPIO

This fixes the return value of pca9450_i2c_probe() to use the correct
error code when getting the sd-vsel GPIO fails.
Signed-off-by: NFrieder Schrempf <frieder.schrempf@kontron.de>
Link: https://lore.kernel.org/r/20210222150809.208942-1-frieder.schrempf@kontron.deSigned-off-by: NMark Brown <broonie@kernel.org>

drivers/regulator/pca9450-regulator.c

@@ -814,7 +814,7 @@ static int pca9450_i2c_probe(struct i2c_client *i2c,
 
 	if (IS_ERR(pca9450->sd_vsel_gpio)) {
 		dev_err(&i2c->dev, "Failed to get SD_VSEL GPIO\n");
-		return ret;
+		return PTR_ERR(pca9450->sd_vsel_gpio);
 	}
 
 	dev_info(&i2c->dev, "%s probed.\n",