regulator: qcom_spmi: Use correct regmap when checking for error

Since we have just assigned saw_regmap, and since the error message
refers to saw_regmap, it feels safe to assume that it is saw_regmap,
and not regmap, that should be checked for errors.

Fixes: 0caecaa87202 ("regulator: qcom_spmi: Add support for SAW")
Signed-off-by: Niklas Cassel <niklas.cassel@linaro.org>
Signed-off-by: Mark Brown <broonie@kernel.org>

drivers/regulator/qcom_spmi-regulator.c

@@ -1775,7 +1775,7 @@ static int qcom_spmi_regulator_probe(struct platform_device *pdev)
 		syscon = of_parse_phandle(node, "qcom,saw-reg", 0);
 		saw_regmap = syscon_node_to_regmap(syscon);
 		of_node_put(syscon);
-		if (IS_ERR(regmap))
+		if (IS_ERR(saw_regmap))
 			dev_err(dev, "ERROR reading SAW regmap\n");
 	}