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@xxxxxxx> --- drivers/iio/dummy/iio_dummy_evgen.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/iio/dummy/iio_dummy_evgen.c b/drivers/iio/dummy/iio_dummy_evgen.c index efd0005..f96c0a3 100644 --- a/drivers/iio/dummy/iio_dummy_evgen.c +++ b/drivers/iio/dummy/iio_dummy_evgen.c @@ -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); -- 2.7.4