[PATCH V1 5/5] cpufreq: Loongson1: Replace goto out with return in ls1x_cpufreq_probe()

From: Keguang Zhang
Date: Tue Apr 12 2016 - 06:40:55 EST


From: Kelvin Cheung <keguang.zhang@xxxxxxxxx>

This patch replaces goto out with return in ls1x_cpufreq_probe().

Signed-off-by: Kelvin Cheung <keguang.zhang@xxxxxxxxx>

---
V1:
Move the minor updates into patch#1.
Fix the brace problem in ls1x_cpufreq_probe().
---
drivers/cpufreq/loongson1-cpufreq.c | 29 +++++++++++++----------------
1 file changed, 13 insertions(+), 16 deletions(-)

diff --git a/drivers/cpufreq/loongson1-cpufreq.c b/drivers/cpufreq/loongson1-cpufreq.c
index f0d0156..be89416 100644
--- a/drivers/cpufreq/loongson1-cpufreq.c
+++ b/drivers/cpufreq/loongson1-cpufreq.c
@@ -141,8 +141,10 @@ static int ls1x_cpufreq_probe(struct platform_device *pdev)
struct clk *clk;
int ret;

- if (!pdata || !pdata->clk_name || !pdata->osc_clk_name)
+ if (!pdata || !pdata->clk_name || !pdata->osc_clk_name) {
+ dev_err(&pdev->dev, "platform data missing\n");
return -EINVAL;
+ }

cpufreq =
devm_kzalloc(&pdev->dev, sizeof(struct ls1x_cpufreq), GFP_KERNEL);
@@ -155,8 +157,7 @@ static int ls1x_cpufreq_probe(struct platform_device *pdev)
if (IS_ERR(clk)) {
dev_err(&pdev->dev, "unable to get %s clock\n",
pdata->clk_name);
- ret = PTR_ERR(clk);
- goto out;
+ return PTR_ERR(clk);
}
cpufreq->clk = clk;

@@ -164,8 +165,7 @@ static int ls1x_cpufreq_probe(struct platform_device *pdev)
if (IS_ERR(clk)) {
dev_err(&pdev->dev, "unable to get parent of %s clock\n",
__clk_get_name(cpufreq->clk));
- ret = PTR_ERR(clk);
- goto out;
+ return PTR_ERR(clk);
}
cpufreq->mux_clk = clk;

@@ -173,8 +173,7 @@ static int ls1x_cpufreq_probe(struct platform_device *pdev)
if (IS_ERR(clk)) {
dev_err(&pdev->dev, "unable to get parent of %s clock\n",
__clk_get_name(cpufreq->mux_clk));
- ret = PTR_ERR(clk);
- goto out;
+ return PTR_ERR(clk);
}
cpufreq->pll_clk = clk;

@@ -182,8 +181,7 @@ static int ls1x_cpufreq_probe(struct platform_device *pdev)
if (IS_ERR(clk)) {
dev_err(&pdev->dev, "unable to get %s clock\n",
pdata->osc_clk_name);
- ret = PTR_ERR(clk);
- goto out;
+ return PTR_ERR(clk);
}
cpufreq->osc_clk = clk;

@@ -194,19 +192,18 @@ static int ls1x_cpufreq_probe(struct platform_device *pdev)
if (ret) {
dev_err(&pdev->dev,
"failed to register CPUFreq driver: %d\n", ret);
- goto out;
+ return ret;
}

ret = cpufreq_register_notifier(&ls1x_cpufreq_notifier_block,
CPUFREQ_TRANSITION_NOTIFIER);

- if (!ret)
- goto out;
-
- dev_err(&pdev->dev, "failed to register cpufreq notifier: %d\n", ret);
+ if (ret) {
+ dev_err(&pdev->dev,
+ "failed to register CPUFreq notifier: %d\n",ret);
+ cpufreq_unregister_driver(&ls1x_cpufreq_driver);
+ }

- cpufreq_unregister_driver(&ls1x_cpufreq_driver);
-out:
return ret;
}

--
1.9.1