Re: [PATCH] ASoC: cs-amp-lib-test: Fix some NULL vs IS_ERR() bugs

[Dan Carpenter <error27@gmail.com>]

On Thu, Apr 23, 2026 at 11:09:35AM +0100, Richard Fitzgerald wrote:
> On 23/04/2026 8:09 am, Dan Carpenter wrote:
> > The cs_amp_devm_get_vendor_specific_variant_id() function doesn't return
> > NULL, it returns error pointers.  Update the checking to match.
> > 
> > Fixes: d70fa6b569a9 ("ASoC: cs-amp-lib-test: Tests for reading SSIDExV2")
> > Signed-off-by: Dan Carpenter <error27@gmail.com>
> > ---
> >   sound/soc/codecs/cs-amp-lib-test.c | 8 ++++----
> >   1 file changed, 4 insertions(+), 4 deletions(-)
> > 
> > diff --git a/sound/soc/codecs/cs-amp-lib-test.c b/sound/soc/codecs/cs-amp-lib-test.c
> > index 636d0f3198b8..bb0cfd9d5db2 100644
> > --- a/sound/soc/codecs/cs-amp-lib-test.c
> > +++ b/sound/soc/codecs/cs-amp-lib-test.c
> > @@ -2360,7 +2360,7 @@ static void cs_amp_lib_test_ssidexv2_fetch_invalid(struct kunit *test)
> >   				   cs_amp_lib_test_get_efi_vendor_sysid);
> >   	got = cs_amp_devm_get_vendor_specific_variant_id(dev, PCI_VENDOR_ID_DELL, 0xabcd);
> > -	KUNIT_EXPECT_NOT_NULL(test, got);
> > +	KUNIT_EXPECT_NOT_ERR_OR_NULL(test, got);
> >   	KUNIT_EXPECT_EQ(test, PTR_ERR_OR_ZERO(got), -ENOENT);
> >   }
> 
> No, this is incorrect because we are expecting to get -ENOENT but now it
> will fail the KUNIT_EXPECT_NOT_ERR_OR_NULL() and not proceed to the next
> line where we assert that we got the expected error.
> 
> The asserts are:
> 1. It should never return NULL (because it returns ERR_PTRs)
> 2. It should return ERR_PTR(-ENOENT)
> 

Ah...  Ok.  Thanks.

regards,
dan carpenter