]> git.baikalelectronics.ru Git - kernel.git/commit
tee: optee: fix possible memory leak in optee_register_device()
authorYang Yingliang <yangyingliang@huawei.com>
Wed, 9 Nov 2022 14:01:24 +0000 (22:01 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 8 Dec 2022 10:22:57 +0000 (11:22 +0100)
commit9285df7a5ee4517ded3d3fa536c6fc8509bf5bcc
tree62ffb1130073005ed1b0db6c3929dd50484b910e
parent50ccd594c73a9d7aff391b7292d5ef6525d4a520
tee: optee: fix possible memory leak in optee_register_device()

[ Upstream commit 5f3c9184d3f840e264a31d3471556ebd603299ee ]

If device_register() returns error in optee_register_device(),
the name allocated by dev_set_name() need be freed. As comment
of device_register() says, it should use put_device() to give
up the reference in the error path. So fix this by calling
put_device(), then the name can be freed in kobject_cleanup(),
and optee_device is freed in optee_release_device().

Fixes: a8611d81269b ("tee: optee: add TEE bus device enumeration support")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Reviewed-by: Sumit Garg <sumit.garg@linaro.org>
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/tee/optee/device.c