From: Dan Carpenter <dan.carpenter@linaro.org>
To: Amirreza Zarrabi <amirreza.zarrabi@oss.qualcomm.com>
Cc: Sumit Garg <sumit.garg@kernel.org>,
linux-arm-msm@vger.kernel.org, op-tee@lists.trustedfirmware.org,
linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org
Subject: [PATCH] tee: qcom: return -EFAULT instead of -EINVAL if copy_from_user() fails
Date: Thu, 18 Sep 2025 12:50:41 +0300 [thread overview]
Message-ID: <aMvV8WIKnqLN3w6R@stanley.mountain> (raw)
If copy_from_user() fails, the correct error code is -EFAULT, not
-EINVAL.
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
---
drivers/tee/qcomtee/core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/tee/qcomtee/core.c b/drivers/tee/qcomtee/core.c
index 783acc59cfa9..b6715ada7700 100644
--- a/drivers/tee/qcomtee/core.c
+++ b/drivers/tee/qcomtee/core.c
@@ -424,7 +424,7 @@ static int qcomtee_prepare_msg(struct qcomtee_object_invoke_ctx *oic,
if (!(u[i].flags & QCOMTEE_ARG_FLAGS_UADDR))
memcpy(msgptr, u[i].b.addr, u[i].b.size);
else if (copy_from_user(msgptr, u[i].b.uaddr, u[i].b.size))
- return -EINVAL;
+ return -EFAULT;
offset += qcomtee_msg_offset_align(u[i].b.size);
ib++;
--
2.51.0
next reply other threads:[~2025-09-18 9:51 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-18 9:50 Dan Carpenter [this message]
2025-09-19 5:21 ` [PATCH] tee: qcom: return -EFAULT instead of -EINVAL if copy_from_user() fails Sumit Garg via OP-TEE
2025-09-19 7:58 ` Jens Wiklander
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