From: Dan Carpenter <dan.carpenter@linaro.org>
To: Amirreza Zarrabi <amirreza.zarrabi@oss.qualcomm.com>
Cc: Jens Wiklander <jens.wiklander@linaro.org>,
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
WARNING: multiple messages have this Message-ID (diff)
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 9:50 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-18 9:50 Dan Carpenter [this message]
2025-09-18 9:50 ` [PATCH] tee: qcom: return -EFAULT instead of -EINVAL if copy_from_user() fails Dan Carpenter
2025-09-19 5:21 ` Sumit Garg
2025-09-19 5:21 ` Sumit Garg via OP-TEE
2025-09-19 7:58 ` Jens Wiklander
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=aMvV8WIKnqLN3w6R@stanley.mountain \
--to=dan.carpenter@linaro.org \
--cc=amirreza.zarrabi@oss.qualcomm.com \
--cc=jens.wiklander@linaro.org \
--cc=kernel-janitors@vger.kernel.org \
--cc=linux-arm-msm@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=op-tee@lists.trustedfirmware.org \
--cc=sumit.garg@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.