[PATCH] media: tuners: fix error return code of hybrid_tuner_request_state()
From: Jia-Ju Bai
Date: Sat Mar 06 2021 - 09:31:50 EST
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@xxxxxxxxxxxxxxx>
Signed-off-by: Jia-Ju Bai <baijiaju1990@xxxxxxxxx>
---
drivers/media/tuners/tuner-i2c.h | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/media/tuners/tuner-i2c.h b/drivers/media/tuners/tuner-i2c.h
index 724952e001cd..26cf7da29f30 100644
--- a/drivers/media/tuners/tuner-i2c.h
+++ b/drivers/media/tuners/tuner-i2c.h
@@ -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 (NULL == state) { \
+ __ret = -ENOMEM; \
goto __fail; \
+ } \
state->i2c_props.addr = i2caddr; \
state->i2c_props.adap = i2cadap; \
state->i2c_props.name = devname; \
--
2.17.1