Received-SPF: pass (google.com: domain of linux-kernel+bounces-17908-linux.lists.archive=gmail.com@vger.kernel.org designates 139.178.88.99 as permitted sender) client-ip=139.178.88.99;
From: Lino Sanfilippo <l.sanfilippo@kunbus.com>
To: gregkh@linuxfoundation.org,
	jirislaby@kernel.org,
	ilpo.jarvinen@linux.intel.com
Cc: u.kleine-koenig@pengutronix.de,
	shawnguo@kernel.org,
	s.hauer@pengutronix.de,
	mcoquelin.stm32@gmail.com,
	alexandre.torgue@foss.st.com,
	cniedermaier@dh-electronics.com,
	hugo@hugovil.com,
	m.brock@vanmierlo.com,
	linux-kernel@vger.kernel.org,
	linux-serial@vger.kernel.org,
	LinoSanfilippo@gmx.de,
	lukas@wunner.de,
	p.rosenberger@kunbus.com,
	Lino Sanfilippo <l.sanfilippo@kunbus.com>,
	stable@vger.kernel.org
Subject: [PATCH v8 3/7] serial: core: fix sanitizing check for RTS settings
Date: Fri,  5 Jan 2024 15:11:49 +0100
Message-ID: <20240105141153.19249-4-l.sanfilippo@kunbus.com>
In-Reply-To: <20240105141153.19249-1-l.sanfilippo@kunbus.com>
References: <20240105141153.19249-1-l.sanfilippo@kunbus.com>
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: base64
Precedence: bulk
MIME-Version: 1.0
X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1
X-MS-Exchange-AntiSpam-MessageData-0:
	=?utf-8?B?U3o3T3dla29xcjRXTUVMRTA4S0hZNWxqY2dIMW4yb081VnErcW8zdzNvY0Jw?=
 =?utf-8?B?WHcxMERjRnNrbGJlZnozd0NaZlZmdjZMeGY4UFEyWS9VQ0hmMXVzODNMSm1y?=
 =?utf-8?B?VHZtM1RYL2txTUFaU1YrMWpyMUtyVDg1K3BlYWwyMHMxdVV2NGV4Ky9tZVl3?=
 =?utf-8?B?UG5PK1RMeGtLTGhjeGt6b2tOQ1R4OWR3NFprYUVDeVF2ZjNkK3RyQ1NuQ2xE?=
 =?utf-8?B?YXU1M0ZCL1hVeFhjT2NVYnpqb2pQV09FRmtJcnFOZ2hPeWxXUzI3K0o2elNL?=
 =?utf-8?B?N0RjWW9MbzdSUkd2RFM1TjFiZlgwTkZlVEFKRG9hQ0VGclBMUmhSS3M2TkxY?=
 =?utf-8?B?YklCTWEwTGdtdEQ2eWlYbXNvbnRkVDMzVCtvSmpsZ2JncTFiUUh3dUZNZjNP?=
 =?utf-8?B?MVpvenJnREFvT0pvM3drT1dJU2VWTWx5aENLZWFpZVRCcm9sWVB1cjRNcVcy?=
 =?utf-8?B?cm5vSU9uNTQySjI5eG9aRWFwSjVWQTRzaEdHVk5QeWV6UEM2RE81L1o2eWJY?=
 =?utf-8?B?L2doV25ySHhxYmZISHRIQ1B3WTNZclRwVWdJMFhUaWJ6RHJpL2QyaUh2bjdU?=
 =?utf-8?B?RnFMUGdiWWthOHFIR1A1d1BPcm85SDN2NFJmbThvMW9aVVJKWnhualVYSjJO?=
 =?utf-8?B?RU1hWEtEY1YwS0tTemNINjFWUUd1d0VuU3gyUUMvWllNcGg3SUtGdmROcDRl?=
 =?utf-8?B?cFRJRnZGS2srYTN0YXJhUzBCbHpuUHpKQjIwY1FreFFOVVFIeWFMV2FkREZD?=
 =?utf-8?B?RjVROXVVRE1XS3V0ZURRUHVscSs1bGRkMnZVNkFhT0krL3NaNGxPN1ptNDRW?=
 =?utf-8?B?T0J1ekt5NWJUTnRXTXRVcjhac1VCM0Z6eWVZNVpCNmxOWEJ2S2NGdWYxanpl?=
 =?utf-8?B?MVBXbXNaN3ZCZnlEbkhGRURNY3VpeXdvQzg5UUJXV1NXeE9JM2dCTlkyRnk1?=
 =?utf-8?B?MlB2T1dVcXhNV2p1M3RrVEJlQjlIejdtOXFlSXNIU1laR0ZEcEd2N1lrTXRC?=
 =?utf-8?B?d0dVeUVjWTFNeUZRT1FoS01CZ3JRZzZ1ODR0dEs0TGhIUy84dmRpWm5QWWVv?=
 =?utf-8?B?SFVEcmZjZHhIaE8yblo1eVBWY0dGZXVEdS9TR0NFQThQTUI4UlhUUkk5dGNR?=
 =?utf-8?B?Y2VNZ2UxbDJoTDFZcjdmNVZHVmJNNkQzTFA4eTZSOG1Vc2x0Uk5IZmVzd0hO?=
 =?utf-8?B?WWxyODNKS3NHVjdXUjRKTXRoL2wvc25pejJLY3hNZmxwaWhHU1d5bE1JWmxI?=
 =?utf-8?B?dTZWWURxWEJnRnlkdi8yL0lLSGo4NlVZZDV1SExvQU5CQlFSTXk3RktQZGoy?=
 =?utf-8?B?aFJvdDZtN0JzanhUcDN3MHlWcjZWNFo3V3ZtdnpNQ1laaDJqbnVsRjdlRkFt?=
 =?utf-8?B?eW55VS9nRlpLT2NJZ1NEc1YxWldobTI3eERWYlhVOWkweFdQQmFtUkVRRGVp?=
 =?utf-8?B?NlBlMTJzYUx0ZTIrdzlKWUhIdXBSODZidTQzWm5YY3ltNDhLZjVoeDJWTlEy?=
 =?utf-8?B?Zi9mZkx1bFZtZURqQUpEZmhNY1VDM0h1NlQySnZOcjczQ1AweUN2Q2RFZ3NB?=
 =?utf-8?B?QnFkWUV4K21DR3QwSjI5NERMNDNoQk9qWnVBVDFzSDVDMWt2YlZIcC90WHVM?=
 =?utf-8?B?NGorWFc1OSt6eVRqWnB5aHJ5aW1SaE5oYUtLdjNKMjhrSEd6WUhuRDFlSWQv?=
 =?utf-8?B?K0NRWmhLMXp2R1FBZSt2UUlmSUxyWG5GNzlHcVZOSDgxTCt5NUdlVHZ2alV6?=
 =?utf-8?B?TEV6M0dua0pCRFI3UFFhZGZvTTg0V2hDUEprUUNYZS9DRUlzdW9jWkNRQ2d6?=
 =?utf-8?B?NVpveUI3Qnhwa1luajVBUzJTRC9lTFZmbFFZdHVGS1pZRElUakthSmg5aFIx?=
 =?utf-8?B?SXBjTVJCUVJlTU5IYUgxREs4Y3lCMDhueTNGNVYvMWRxTjdaUEtlWmxsRzFu?=
 =?utf-8?B?UE5QaWxhL2tIV0g1NTlXMzBEZlVlMGI5T3FSQ1FsRjJVem1GbGYrZ3NJVVRH?=
 =?utf-8?B?QzJLb0VqMGpJR1IyY213VllaQSt5SVcyU1ZDTVA0NGd1TXVYQTJ0Z1FBWTE3?=
 =?utf-8?B?akNGRkpBSlVlMVkrdDBheDJ5aHcyYXhmeWtFVDBXaHFjM3JvY1p6MlNpTHlX?=
 =?utf-8?B?NE9mdXZpazNrOUlWWWQxVkNmVXVkR2taRk4wa3pjNVlXa21HUG5aN3lGd0U3?=
 =?utf-8?B?b0wyVzBXN1pkR2VHeFU0UHF5Ym1oQ0hLb3BiZFo4Z2FvMHJ5NWtCMDQvV2Mz?=
 =?utf-8?B?UFZtdzBZdElZYmVGTyswNnIyZVlBPT0=?=
X-OriginatorOrg: kunbus.com
X-MS-Exchange-CrossTenant-Network-Message-Id: 0f9d0a11-92fb-4370-5141-08dc0df850c5
X-MS-Exchange-CrossTenant-AuthSource: VI1P193MB0413.EURP193.PROD.OUTLOOK.COM
X-MS-Exchange-CrossTenant-AuthAs: Internal
X-MS-Exchange-CrossTenant-OriginalArrivalTime: 05 Jan 2024 14:12:13.9152
 (UTC)
X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted
X-MS-Exchange-CrossTenant-Id: aaa4d814-e659-4b0a-9698-1c671f11520b
X-MS-Exchange-CrossTenant-MailboxType: HOSTED
X-MS-Exchange-CrossTenant-UserPrincipalName: iKs109ZPNINBRfKQpAiQtq22vD5U3Gfyv+53ZPp+1rvgkIPbumGcRhoYqRc6tUoODLVO3sB1oxPEGrEmFWRbSA==
X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM9P193MB1538
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