[PATCH 3/3] staging: vchiq_arm: Make vchiq_shutdown never fail

[Stefan Wahren]

Most of the users of vchiq_shutdown ignore the return value,
which is bad because this could lead to resource leaks.
So instead of changing all calls to vchiq_shutdown, it's easier
to make vchiq_shutdown never fail.

Fixes: 71bad7f08641 ("staging: add bcm2708 vchiq driver")
Signed-off-by: Stefan Wahren <wahrenst at gmx.net>
---
 drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c
index 6434cbdc1a6e..721b15b7e13b 100644
--- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c
+++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c
@@ -393,8 +393,7 @@ int vchiq_shutdown(struct vchiq_instance *instance)
 	struct vchiq_state *state = instance->state;
 	int ret = 0;
 
-	if (mutex_lock_killable(&state->mutex))
-		return -EAGAIN;
+	mutex_lock(&state->mutex);
 
 	/* Remove all services */
 	vchiq_shutdown_internal(state, instance);
-- 
2.34.1