media: tuners: fix error return code of hybrid_tuner_request_state()

When kzalloc() fails and state is NULL, no error return code is
assigned.
To fix this bug, __ret is assigned with -ENOMEM in this case.

Reported-by: TOTE Robot <oslab@tsinghua.edu.cn>
Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This commit is contained in:
Jia-Ju Bai 2021-03-06 15:30:28 +01:00 committed by Mauro Carvalho Chehab
parent f3d384e366
commit b9302fa7ed

View File

@ -133,8 +133,10 @@ static inline int tuner_i2c_xfer_send_recv(struct tuner_i2c_props *props,
} \
if (0 == __ret) { \
state = kzalloc(sizeof(type), GFP_KERNEL); \
if (NULL == state) \
if (!state) { \
__ret = -ENOMEM; \
goto __fail; \
} \
state->i2c_props.addr = i2caddr; \
state->i2c_props.adap = i2cadap; \
state->i2c_props.name = devname; \