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SubjectRe: [PATCH] iio: adc: xilinx-ams: fix devm_krealloc() return value check
On Wed, 30 Nov 2022 18:04:26 +0100
Michal Simek <michal.simek@amd.com> wrote:

> On 11/25/22 12:31, Marco Pagani wrote:
> > CAUTION: This message has originated from an External Source. Please use proper judgment and caution when opening attachments, clicking links, or responding to this email.
> >
> >
> > The clang-analyzer reported a warning: "Value stored to 'ret'
> > is never read".
> >
> > Fix the return value check if devm_krealloc() fails to resize
> > ams_channels.
> >
> > Fixes: d5c70627a794 ("iio: adc: Add Xilinx AMS driver")
> > Signed-off-by: Marco Pagani <marpagan@redhat.com>
> > ---
> > drivers/iio/adc/xilinx-ams.c | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/iio/adc/xilinx-ams.c b/drivers/iio/adc/xilinx-ams.c
> > index 5b4bdf3a26bb..a507d2e17079 100644
> > --- a/drivers/iio/adc/xilinx-ams.c
> > +++ b/drivers/iio/adc/xilinx-ams.c
> > @@ -1329,7 +1329,7 @@ static int ams_parse_firmware(struct iio_dev *indio_dev)
> >
> > dev_channels = devm_krealloc(dev, ams_channels, dev_size, GFP_KERNEL);
> > if (!dev_channels)
> > - ret = -ENOMEM;
> > + return -ENOMEM;
> >
> > indio_dev->channels = dev_channels;
> > indio_dev->num_channels = num_channels;
> > --
> > 2.38.1
> >
>
> Acked-by: Michal Simek <michal.simek@amd.com>

Applied to the fixes-togreg branch of iio.git. Given merge window opening soon
it might be a few weeks before this goes upstream.

Thanks,

Jonathan

>
> Thanks,
> Michal

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