Message ID | 20250327-qcom-tee-using-tee-ss-without-mem-obj-v3-1-7f457073282d@oss.qualcomm.com (mailing list archive) |
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State | Handled Elsewhere |
Headers | show
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[129.46.96.20]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2291eeca203sm7317565ad.30.2025.03.27.19.48.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 27 Mar 2025 19:48:18 -0700 (PDT) From: Amirreza Zarrabi <amirreza.zarrabi@oss.qualcomm.com> Date: Thu, 27 Mar 2025 19:47:23 -0700 Subject: [PATCH v3 01/11] tee: allow a driver to allocate a tee_device without a pool Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: <linux-arm-msm.vger.kernel.org> List-Subscribe: <mailto:linux-arm-msm+subscribe@vger.kernel.org> List-Unsubscribe: <mailto:linux-arm-msm+unsubscribe@vger.kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20250327-qcom-tee-using-tee-ss-without-mem-obj-v3-1-7f457073282d@oss.qualcomm.com> References: <20250327-qcom-tee-using-tee-ss-without-mem-obj-v3-0-7f457073282d@oss.qualcomm.com> In-Reply-To: <20250327-qcom-tee-using-tee-ss-without-mem-obj-v3-0-7f457073282d@oss.qualcomm.com> To: Jens Wiklander <jens.wiklander@linaro.org>, Sumit Garg <sumit.garg@kernel.org>, Bjorn Andersson <andersson@kernel.org>, Konrad Dybcio <konradybcio@kernel.org>, Bartosz Golaszewski <bartosz.golaszewski@linaro.org>, Apurupa Pattapu <quic_apurupa@quicinc.com>, Kees Cook <kees@kernel.org>, "Gustavo A. R. Silva" <gustavoars@kernel.org>, Sumit Semwal <sumit.semwal@linaro.org>, =?utf-8?q?Christian_K=C3=B6nig?= <christian.koenig@amd.com> Cc: linux-arm-msm@vger.kernel.org, op-tee@lists.trustedfirmware.org, linux-kernel@vger.kernel.org, linux-hardening@vger.kernel.org, dri-devel@lists.freedesktop.org, linaro-mm-sig@lists.linaro.org, linux-doc@vger.kernel.org, Amirreza Zarrabi <amirreza.zarrabi@oss.qualcomm.com> X-Mailer: b4 0.13.0 X-Authority-Analysis: v=2.4 cv=fJk53Yae c=1 sm=1 tr=0 ts=67e60df4 cx=c_pps a=RP+M6JBNLl+fLTcSJhASfg==:117 a=ouPCqIW2jiPt+lZRy3xVPw==:17 a=IkcTkHD0fZMA:10 a=Vs1iUdzkB0EA:10 a=EUspDBNiAAAA:8 a=1atmPuGhRQHGwWkYLZIA:9 a=QEXdDO2ut3YA:10 a=iS9zxrgQBfv6-_F4QbHw:22 X-Proofpoint-GUID: R3jCnS4X9y61F9APEunPv6Qeewl3wzg9 X-Proofpoint-ORIG-GUID: R3jCnS4X9y61F9APEunPv6Qeewl3wzg9 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1095,Hydra:6.0.680,FMLib:17.12.68.34 definitions=2025-03-28_01,2025-03-27_02,2024-11-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 impostorscore=0 mlxscore=0 mlxlogscore=999 clxscore=1011 phishscore=0 lowpriorityscore=0 bulkscore=0 malwarescore=0 suspectscore=0 spamscore=0 adultscore=0 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2502280000 definitions=main-2503280017 |
Series |
Trusted Execution Environment (TEE) driver for Qualcomm TEE (QTEE)
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expand
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diff --git a/drivers/tee/tee_core.c b/drivers/tee/tee_core.c index d113679b1e2d..24edce4cdbaa 100644 --- a/drivers/tee/tee_core.c +++ b/drivers/tee/tee_core.c @@ -888,7 +888,7 @@ struct tee_device *tee_device_alloc(const struct tee_desc *teedesc, if (!teedesc || !teedesc->name || !teedesc->ops || !teedesc->ops->get_version || !teedesc->ops->open || - !teedesc->ops->release || !pool) + !teedesc->ops->release) return ERR_PTR(-EINVAL); teedev = kzalloc(sizeof(*teedev), GFP_KERNEL);
A TEE driver doesn't always need to provide a pool if it doesn't support memory sharing ioctls and can allocate memory for TEE messages in another way. Although this is mentioned in the documentation for tee_device_alloc(), it is not handled correctly. Signed-off-by: Amirreza Zarrabi <amirreza.zarrabi@oss.qualcomm.com> --- drivers/tee/tee_core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)