[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <7127c7f4-89b3-31f8-cabc-43f955eded64@amd.com>
Date: Wed, 30 Nov 2022 18:04:26 +0100
From: Michal Simek <michal.simek@....com>
To: Marco Pagani <marpagan@...hat.com>,
Anand Ashok Dumbre <anand.ashok.dumbre@...inx.com>,
Jonathan Cameron <jic23@...nel.org>,
Lars-Peter Clausen <lars@...afoo.de>,
Michal Simek <michal.simek@...inx.com>,
Nathan Chancellor <nathan@...nel.org>,
Nick Desaulniers <ndesaulniers@...gle.com>,
Tom Rix <trix@...hat.com>,
Manish Narani <manish.narani@...inx.com>
CC: Jonathan Cameron <Jonathan.Cameron@...wei.com>,
<linux-iio@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-kernel@...r.kernel.org>, <llvm@...ts.linux.dev>
Subject: Re: [PATCH] iio: adc: xilinx-ams: fix devm_krealloc() return value
check
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@...hat.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@....com>
Thanks,
Michal
Powered by blists - more mailing lists