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| author | Pan Bian <bianpan2016@163.com> | 2019-04-18 11:02:56 +0800 |
|---|---|---|
| committer | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2019-04-22 11:45:03 +0100 |
| commit | dfd4f6497614ccb34f822849dd2e1fd2c44de37f (patch) | |
| tree | 4cc3956c8cbcd3f6f8f089bf5f3b76a9eff364a4 /drivers/iio | |
| parent | ce7afa5c56c4d0e1a5eefb1d1872d331e893c120 (diff) | |
| download | linux-dfd4f6497614ccb34f822849dd2e1fd2c44de37f.tar.gz linux-dfd4f6497614ccb34f822849dd2e1fd2c44de37f.tar.bz2 linux-dfd4f6497614ccb34f822849dd2e1fd2c44de37f.zip | |
iio: dummy_evgen: fix possible memleak in evgen init
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>
Diffstat (limited to 'drivers/iio')
| -rw-r--r-- | drivers/iio/dummy/iio_dummy_evgen.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/iio/dummy/iio_dummy_evgen.c b/drivers/iio/dummy/iio_dummy_evgen.c index efd0005f59b4..c6033e341963 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); |