soc: qcom: icc-bwmon: remove redundant ret variable

Return value from devm_regmap_field_bulk_alloc() directly
instead of taking this in another redundant variable.
Reported-by: NZeal Robot <zealci@zte.com.cn>
Signed-off-by: NJinpeng Cui <cui.jinpeng2@zte.com.cn>
Reviewed-by: NKrzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: NBjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20220823133620.211902-1-cui.jinpeng2@zte.com.cn

drivers/soc/qcom/icc-bwmon.c

@@ -551,7 +551,6 @@ static int bwmon_init_regmap(struct platform_device *pdev,
 	struct device *dev = &pdev->dev;
 	void __iomem *base;
 	struct regmap *map;
-	int ret;
 
 	base = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(base))
@@ -565,11 +564,10 @@ static int bwmon_init_regmap(struct platform_device *pdev,
 
 	BUILD_BUG_ON(ARRAY_SIZE(msm8998_bwmon_reg_fields) != F_NUM_FIELDS);
 	BUILD_BUG_ON(ARRAY_SIZE(sdm845_llcc_bwmon_reg_fields) != F_NUM_FIELDS);
-	ret = devm_regmap_field_bulk_alloc(dev, map, bwmon->regs,
+
+	return devm_regmap_field_bulk_alloc(dev, map, bwmon->regs,
 					   bwmon->data->regmap_fields,
 					   F_NUM_FIELDS);
-
-	return ret;
 }
 
 static int bwmon_probe(struct platform_device *pdev)