[PATCH -next] pwm: meson: Fix missing spin_lock_init()
Wei Yongjun
weiyj.lk at gmail.com
Fri Sep 9 23:38:38 PDT 2016
From: Wei Yongjun <weiyongjun1 at huawei.com>
The driver allocates the spinlock but not initialize it.
Use spin_lock_init() on it to initialize it correctly.
This is detected by Coccinelle semantic patch.
Signed-off-by: Wei Yongjun <weiyongjun1 at huawei.com>
---
drivers/pwm/pwm-meson.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/pwm/pwm-meson.c b/drivers/pwm/pwm-meson.c
index bfbbe7f..778d088 100644
--- a/drivers/pwm/pwm-meson.c
+++ b/drivers/pwm/pwm-meson.c
@@ -465,6 +465,7 @@ static int meson_pwm_probe(struct platform_device *pdev)
if (IS_ERR(meson->base))
return PTR_ERR(meson->base);
+ spin_lock_init(&meson->lock);
meson->chip.dev = &pdev->dev;
meson->chip.ops = &meson_pwm_ops;
meson->chip.base = -1;
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