[PATCH v4 1/2] staging: vchiq_arm: Use devm_kzalloc() for vchiq_arm_state allocation

[Umang Jain]

The struct vchiq_arm_state 'platform_state' is currently allocated
dynamically using kzalloc(). Unfortunately, it is never freed and is
subjected to memory leaks in the error handling paths of the probe()
function.

To address the issue, use device resource management helper
devm_kzalloc(), to ensure cleanup after its allocation.

Fixes: 71bad7f08641 ("staging: add bcm2708 vchiq driver")
Cc: stable at vger.kernel.org
Signed-off-by: Umang Jain <umang.jain at ideasonboard.com>
Reviewed-by: Dan Carpenter <dan.carpenter at linaro.org>
---
 drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

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 af623ad87c15..7ece82c361ee 100644
--- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c
+++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c
@@ -285,7 +285,7 @@ vchiq_platform_init_state(struct vchiq_state *state)
 {
 	struct vchiq_arm_state *platform_state;
 
-	platform_state = kzalloc(sizeof(*platform_state), GFP_KERNEL);
+	platform_state = devm_kzalloc(state->dev, sizeof(*platform_state), GFP_KERNEL);
 	if (!platform_state)
 		return -ENOMEM;
 
-- 
2.45.2