pwm: sysfs: Use put_device() instead of kfree()
Never directly free @dev after calling device_register(), even if it returned an error! Always use put_device() to give up the reference initialized. Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com> Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
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@ -273,7 +273,8 @@ static int pwm_export_child(struct device *parent, struct pwm_device *pwm)
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ret = device_register(&export->child);
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ret = device_register(&export->child);
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if (ret) {
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if (ret) {
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clear_bit(PWMF_EXPORTED, &pwm->flags);
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clear_bit(PWMF_EXPORTED, &pwm->flags);
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kfree(export);
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put_device(&export->child);
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export = NULL;
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return ret;
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return ret;
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}
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}
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