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 6761531A81D; Wed, 17 Sep 2025 12:51:05 +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=1758113465; cv=none; b=iPFbENGuSQRAZJgf18nFbGGSbuAar9b8msal7ms74m/B2K0/WY732Z4ibfmp2dUV7CX0d4ujlnEr9dxoYiAuvom3LU+A6Ju+GuvvVRMw5BTocMjOIDQ6FLw9aGOAsq95/qe5ZSY+mTXps1Jb7I/enmwYDqzZ9GRKbKYpa+2pG5M= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758113465; c=relaxed/simple; bh=zDIOpSEjpVsRILIXLG3n+KuoKhF3wJNi5kCFETMKcY4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=CTJavQ2bPsBOyQsc37D2tKfRRMYApKWAapegSrwtJjC10RLP6ywUwzU1tkDlMtqmRKH5iM8PZOn0wfrS6kusBUN6O2USW5ZGoyMF+CduyF4n/MKs9k6B6F14IdQMqck8vE/WrPi55WLFukwBhmxU+0uDCX7KipxoNuF2+QmC/8Q= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=H76+W5d2; 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="H76+W5d2" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A07B5C4CEFA; Wed, 17 Sep 2025 12:51:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1758113465; bh=zDIOpSEjpVsRILIXLG3n+KuoKhF3wJNi5kCFETMKcY4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=H76+W5d2SZH4AZ+SH70CwLfQCQooxKEcs14Zyecj4E6HcTHUNBRC+3/h76594yPLh ygB5yBEhjEE9Bi4TgeO1DyFpBFMzuU7GClUIXsFGd/4hNn5r3/EzeEwPoglR0koVys Y90AJGvpOoifnLWdM4ETs0cDOpRf8WDHBKGsork4= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Chia-I Wu , Steven Price , Sasha Levin , Boris Brezillon Subject: [PATCH 6.12 095/140] drm/panthor: validate group queue count Date: Wed, 17 Sep 2025 14:34:27 +0200 Message-ID: <20250917123346.622513488@linuxfoundation.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20250917123344.315037637@linuxfoundation.org> References: <20250917123344.315037637@linuxfoundation.org> User-Agent: quilt/0.68 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 6.12-stable review patch. If anyone has any objections, please let me know. ------------------ From: Chia-I Wu [ Upstream commit a00f2015acdbd8a4b3d2382eaeebe11db1925fad ] A panthor group can have at most MAX_CS_PER_CSG panthor queues. Fixes: 4bdca11507928 ("drm/panthor: Add the driver frontend block") Signed-off-by: Chia-I Wu Reviewed-by: Boris Brezillon # v1 Reviewed-by: Steven Price Signed-off-by: Steven Price Link: https://lore.kernel.org/r/20250903192133.288477-1-olvaffe@gmail.com Signed-off-by: Sasha Levin --- drivers/gpu/drm/panthor/panthor_drv.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/panthor/panthor_drv.c b/drivers/gpu/drm/panthor/panthor_drv.c index c520f156e2d73..03eb7d52209a2 100644 --- a/drivers/gpu/drm/panthor/panthor_drv.c +++ b/drivers/gpu/drm/panthor/panthor_drv.c @@ -1023,7 +1023,7 @@ static int panthor_ioctl_group_create(struct drm_device *ddev, void *data, struct drm_panthor_queue_create *queue_args; int ret; - if (!args->queues.count) + if (!args->queues.count || args->queues.count > MAX_CS_PER_CSG) return -EINVAL; ret = PANTHOR_UOBJ_GET_ARRAY(queue_args, &args->queues); -- 2.51.0