Re: [PATCH] ASoC: mt8365: Fix using uninitialized value "i2s_data" issue

From: Mark Brown
Date: Wed Sep 11 2024 - 06:55:30 EST


On Wed, Sep 11, 2024 at 08:15:17AM +0800, Qianqiang Liu wrote:

>
> spin_lock_irqsave(&afe_priv->afe_ctrl_lock, flags);
>
> + if (!i2s_data) {
> + spin_unlock_irqrestore(&afe_priv->afe_ctrl_lock, flags);
> + return;
> + }
> +

Why would we look up i2s_data without the lock, take the lock, then
check if we actually found it? That doesn't seem right.

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