From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id EA9C7338591; Wed, 3 Dec 2025 16:24:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764779062; cv=none; b=PQf0F1gm0gUN6uWvoEAznlvJstIiUSRNJfHKEtnYe8FRgD5bIA9D6r82yk6rcit5b4CPPTlW602JaCZjGIGbSRqpJC3eZTXCWhNsr3X9HSKJ79r5wStBgzXL29B3el52qtHQ8857SMhcm88XJNKmDe/lXZUSHPjuIvN5YVZBoVI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764779062; c=relaxed/simple; bh=djtv5EF41Plgpc5kN5xM9VhOHjOqjMT6qQq8qB6kUKk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Em/2BMhySOTFhY20iZuQV4S1z96dWjxyOv7Zh0gmZPKWnmZq+qw6uYuw2d9AZqqBtWoOEgQ1wIxQ6a7+vAjgZO2BlbRQ7hVUmsdVzOhIFb04S67pLvGsdjHRFTYMb3DCbX1BiqvnOsDtVjaNvp6ua8azz29SYV38JicMHcg2eQ0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=J87TWtMj; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="J87TWtMj" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 581ECC4CEF5; Wed, 3 Dec 2025 16:24:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1764779061; bh=djtv5EF41Plgpc5kN5xM9VhOHjOqjMT6qQq8qB6kUKk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=J87TWtMj5ON+a4EvKdrFAbz/nJKYFfZuknXGKCOeMdKJFr1Kdra0Sz7Ym7CMhUHjA AjLvjiRGfwWpf36SobTjA36YRqFYZ3lzM8qmrcfUt+Hh0UZERWnhAP9NUESisThi0/ Fpbu8WmAZg7iruC+OYL//qoIpcX+kPBhLXUOuvHs= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Sumit Garg , Amirreza Zarrabi , Jens Wiklander , Sasha Levin Subject: [PATCH 6.1 110/568] tee: allow a driver to allocate a tee_device without a pool Date: Wed, 3 Dec 2025 16:21:52 +0100 Message-ID: <20251203152444.764420849@linuxfoundation.org> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20251203152440.645416925@linuxfoundation.org> References: <20251203152440.645416925@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.1-stable review patch. If anyone has any objections, please let me know. ------------------ From: Amirreza Zarrabi [ Upstream commit 6dbcd5a9ab6cb6644e7d728521da1c9035ec7235 ] 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. Reviewed-by: Sumit Garg Signed-off-by: Amirreza Zarrabi Signed-off-by: Jens Wiklander Signed-off-by: Sasha Levin --- drivers/tee/tee_core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/tee/tee_core.c b/drivers/tee/tee_core.c index a9a893bc19fa4..a2feea6e16f38 100644 --- a/drivers/tee/tee_core.c +++ b/drivers/tee/tee_core.c @@ -889,7 +889,7 @@ 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); -- 2.51.0