[PATCH v2 10/16] staging: vchiq_core: Bailout if VCHIQ state is already initialized

[Stefan Wahren]

In case VCHIQ state is already initialized we need to bailout
in order to aovid a memory leak.

Signed-off-by: Stefan Wahren <stefan.wahren at i2se.com>
---
 drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c
index c47de96..0a46e15 100644
--- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c
+++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c
@@ -2355,6 +2355,11 @@ vchiq_init_state(VCHIQ_STATE_T *state, VCHIQ_SLOT_ZERO_T *slot_zero,
 		"%s: slot_zero = %pK, is_master = %d",
 		__func__, slot_zero, is_master);
 
+	if (vchiq_states[0]) {
+		pr_err("%s: VCHIQ state already initialized\n", __func__);
+		return VCHIQ_ERROR;
+	}
+
 	/* Check the input configuration */
 
 	if (slot_zero->magic != VCHIQ_MAGIC) {
-- 
2.7.4