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iio: adc: xilinx-ams: fix devm_krealloc() return value check 

commit 6794ed0cfc upstream.

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: d5c70627a7 ("iio: adc: Add Xilinx AMS driver")
Signed-off-by: Marco Pagani <marpagan@redhat.com>
Acked-by: Michal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/r/20221125113112.219290-1-marpagan@redhat.com
Cc: <stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Marco Pagani 2022-11-25 12:31:12 +01:00 committed by Greg Kroah-Hartman
parent f9e5c6d9ac
commit 0b2f949909
1 changed files with 1 additions and 1 deletions
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2
drivers/iio/adc/xilinx-ams.c
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@ -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;