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Message-ID: <20220628065216.901194-1-yangyingliang@huawei.com>
Date:   Tue, 28 Jun 2022 14:52:16 +0800
From:   Yang Yingliang <yangyingliang@...wei.com>
To:     <linux-kernel@...r.kernel.org>, <op-tee@...ts.trustedfirmware.org>
CC:     <sumit.garg@...aro.org>, <jens.wiklander@...aro.org>
Subject: [PATCH] optee: smc_abi.c: fix wrong pointer passed to IS_ERR/PTR_ERR()

It should be 'rpc_arg' pass to IS_ERR/PTR_ERR().

Fixes: ed8faf6c8f8c ("optee: add OPTEE_SMC_CALL_WITH_RPC_ARG and OPTEE_SMC_CALL_WITH_REGD_ARG")
Reported-by: Hulk Robot <hulkci@...wei.com>
Signed-off-by: Yang Yingliang <yangyingliang@...wei.com>
---
 drivers/tee/optee/smc_abi.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/tee/optee/smc_abi.c b/drivers/tee/optee/smc_abi.c
index 385cb0aee610..a1c1fa1a9c28 100644
--- a/drivers/tee/optee/smc_abi.c
+++ b/drivers/tee/optee/smc_abi.c
@@ -884,8 +884,8 @@ static int optee_smc_do_call_with_arg(struct tee_context *ctx,
 
 		rpc_arg_offs = OPTEE_MSG_GET_ARG_SIZE(arg->num_params);
 		rpc_arg = tee_shm_get_va(shm, offs + rpc_arg_offs);
-		if (IS_ERR(arg))
-			return PTR_ERR(arg);
+		if (IS_ERR(rpc_arg))
+			return PTR_ERR(rpc_arg);
 	}
 
 	if  (rpc_arg && tee_shm_is_dynamic(shm)) {
-- 
2.25.1

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