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 | New |
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 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. 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Series |
Trusted Execution Environment (TEE) driver for Qualcomm TEE (QTEE)
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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(-)