linux-kernel - [PATCH] tee: optee: add missing mutext_destroy in optee_ffa

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Date:   Wed, 16 Mar 2022 21:50:47 +0800
From:   Dongliang Mu <dzm91@...t.edu.cn>
To:     Jens Wiklander <jens.wiklander@...aro.org>,
        Sumit Garg <sumit.garg@...aro.org>
Cc:     Dongliang Mu <mudongliangabcd@...il.com>,
        op-tee@...ts.trustedfirmware.org, linux-kernel@...r.kernel.org
Subject: [PATCH] tee: optee: add missing mutext_destroy in optee_ffa_probe

From: Dongliang Mu <mudongliangabcd@...il.com>

The error handling code of optee_ffa_probe misses the mutex_destroy of
ffa.mutex when mutext_init succeeds.

Fix this by adding mutex_destory of ffa.mutex at the error handling part

Fixes: aceeafefff73 ("optee: use driver internal tee_context for some rpc")
Signed-off-by: Dongliang Mu <mudongliangabcd@...il.com>
---
 drivers/tee/optee/ffa_abi.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/tee/optee/ffa_abi.c b/drivers/tee/optee/ffa_abi.c
index f744ab15bf2c..30a6119a2b16 100644
--- a/drivers/tee/optee/ffa_abi.c
+++ b/drivers/tee/optee/ffa_abi.c
@@ -894,6 +894,7 @@ static int optee_ffa_probe(struct ffa_device *ffa_dev)
 	rhashtable_free_and_destroy(&optee->ffa.global_ids, rh_free_fn, NULL);
 	optee_supp_uninit(&optee->supp);
 	mutex_destroy(&optee->call_queue.mutex);
+	mutex_destroy(&optee->ffa.mutex);
 err_unreg_supp_teedev:
 	tee_device_unregister(optee->supp_teedev);
 err_unreg_teedev:
-- 
2.25.1