[PATCH] ASoC: mt8365: Fix using uninitialized value "i2s_data" issue
Mark Brown
broonie at kernel.org
Wed Sep 11 04:41:15 PDT 2024
On Wed, Sep 11, 2024 at 07:36:33PM +0800, Qianqiang Liu wrote:
> On Wed, Sep 11, 2024 at 11:52:58AM +0100, Mark Brown wrote:
> > 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.
> Just check the "i2s_data" is NULL or not.
That doesn't address my question at all.
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