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SubjectRe: [PATCH v2] ASoC: soc-card: soc-card-test: Fix some error handling in probe()
On Wed, Apr 10, 2024 at 03:43:45PM +0100, Richard Fitzgerald wrote:
> On 10/4/24 15:22, Dan Carpenter wrote:
> > Fix this reversed if statement and call put_device() before returning
> > the error code.
> >
> > Fixes: ef7784e41db7 ("ASoC: soc-card: Add KUnit test case for snd_soc_card_get_kcontrol")
> > Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
> > ---
> > v2: call put_device()
> >
> > sound/soc/soc-card-test.c | 4 +++-
> > 1 file changed, 3 insertions(+), 1 deletion(-)
> >
> > diff --git a/sound/soc/soc-card-test.c b/sound/soc/soc-card-test.c
> > index 075c52fe82e5..faf9a3d46884 100644
> > --- a/sound/soc/soc-card-test.c
> > +++ b/sound/soc/soc-card-test.c
> > @@ -148,8 +148,10 @@ static int soc_card_test_case_init(struct kunit *test)
> > priv->card->owner = THIS_MODULE;
> > ret = snd_soc_register_card(priv->card);
> > - if (!ret)
> > + if (ret) {
> > + put_device(priv->card_dev);
> > return ret;
> > + }
> > return 0;
> > }
>
> Thanks.
> Reviewed-by: Richard Fitzgerald <rf@opensource.cirrus.com>
>
> I can see that put_device() is also missing earlier in the
> function:
>
> if (!priv->card)
> return -ENOMEM;
>
> I can send a fix for that.

No. Let me resend. I'm sorry, this patch has not been up to proper
standards. Also I should fix Smatch to warn about missing put_device()
calls to prevent this sort of thing going forward.

regards,
dan carpenter

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