thermal/drivers/generic-adc: Simplify with dev_err_probe()

Error handling in probe() can be a bit simpler with dev_err_probe().

Signed-off-by: Krzysztof Kozlowski <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Daniel Lezcano <[e-mail]>

drivers/thermal/thermal-generic-adc.c

···
 		return -ENOMEM;
 
 	gti->channel = devm_iio_channel_get(dev, "sensor-channel");
-	if (IS_ERR(gti->channel)) {
-		ret = PTR_ERR(gti->channel);
-		if (ret != -EPROBE_DEFER)
-			dev_err(dev, "IIO channel not found: %d\n", ret);
-		return ret;
-	}
+	if (IS_ERR(gti->channel))
+		return dev_err_probe(dev, PTR_ERR(gti->channel), "IIO channel not found\n");
 
 	ret = gadc_thermal_read_linear_lookup_table(dev, gti);
 	if (ret < 0)