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iio: dummy_evgen: fix possible memleak in evgen init

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The memory allocated in the function iio_dummy_evgen_create is not
released if it fails to add the evgen device to device hierarchy. This
may result in a memory leak bug.

Signed-off-by: Pan Bian <bianpan2016@163.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Pan Bian 2019-04-18 11:02:56 +08:00 committed by Jonathan Cameron
parent ce7afa5c56
commit dfd4f64976
1 changed files with 4 additions and 1 deletions
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5
drivers/iio/dummy/iio_dummy_evgen.c
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@ -196,7 +196,10 @@ static __init int iio_dummy_evgen_init(void)
return ret;
device_initialize(&iio_evgen_dev);
dev_set_name(&iio_evgen_dev, "iio_evgen");
return device_add(&iio_evgen_dev);
ret = device_add(&iio_evgen_dev);
if (ret)
put_device(&iio_evgen_dev);
return ret;
}
module_init(iio_dummy_evgen_init);