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staging: vc04_services: vchiq_arm: fix error return code of vchiq_release_internal() and vchiq_use_internal() 

When arm_state is NULL, no error return code of vchiq_release_internal()
and vchiq_use_internal() is assigned.
To fix this bug, ret is assigned with VCHIQ_ERROR.

Reported-by: TOTE Robot <oslab@tsinghua.edu.cn>
Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com>
Link: https://lore.kernel.org/r/20210306132245.16811-1-baijiaju1990@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jia-Ju Bai 2021-03-06 05:22:45 -08:00 committed by Greg Kroah-Hartman
parent 275b6bd538
commit 5866bce00d
1 changed files with 6 additions and 2 deletions
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8
drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c
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@ -2332,8 +2332,10 @@ vchiq_use_internal(struct vchiq_state *state, struct vchiq_service *service,
int *entity_uc;
int local_uc;
if (!arm_state)
if (!arm_state) {
ret = VCHIQ_ERROR;
goto out;
}
vchiq_log_trace(vchiq_susp_log_level, "%s", __func__);
@ -2389,8 +2391,10 @@ vchiq_release_internal(struct vchiq_state *state, struct vchiq_service *service)
char entity[16];
int *entity_uc;
if (!arm_state)
if (!arm_state) {
ret = VCHIQ_ERROR;
goto out;
}
vchiq_log_trace(vchiq_susp_log_level, "%s", __func__);