From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794410513; b=P0wHcaOQuX1vQta37UfrdTqdBNuOGt0ooZ6kOiUgs1ie7T+2mBuf4mb9jufLOHpv3aJc ifND2FoEZUiMsYM9GXMCPHJnIJgfvsF/dlYB3nyO8crmAlJAOX3Aiua1nVlIfji5QK1Wu RO1vZ8238tRMGtRtoTNNrtk3Cu4fZGHJ56jdME/hfjbLSFfWz8jwAHWNX2AYeGA1X77X/ 3fRIQgsWXvR/gXPtY7w2ib1m3wXE9qkWEeEuD1KEDiLsrbNEjmnDtGvsSUQWsNVnIEmJu ekymJOnQuZf5CfNcJ+hhcqbhk62yx21+Koufu7WKbguUoHmDh4FXNmg1P4hW9LIFeRg== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794410513; h=Received:DKIM-Signature:From:To:Cc:Subject:Date:Message-ID:X-Mailer: In-Reply-To:References:MIME-Version:Content-Transfer-Encoding; bh=CvXkKnpoIjFBXMFh/ZhuFqD5bTR3HvMZ0lYB0ahlEUQ=; b=L8HHmzqyfxXsVFxO0H9hfEXq6VX9byzO074P9rzjgwIi6YN3BCZJmpTFo9MTYHpFjm7y HDRStcMChSWmXEyZkd8RTMZvPpbSeRj3FX3bnXEP+vbHZOGXeDv5yCmiYsZgpgtAmFYms bu6jyrn96BOFkU5I1ATJlp4aFHfmgOP9NeJcaueUwHda9h4P7C1tHyePUUooiyS2OdQ2F LTd3dbLKOGMoUSmI+MJBoNt0ldBtFXvotdX8Nux6K9J02XtQQlLu+Dnoe9XqiLsg65o8h MrMjSzJzDzEkJE7eCFZOENQDqsjs34IEgeC98w1okRhRmSlGVuw079OgbCiU+U/FOUg== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=B04Rmgrc; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 61872606A32D for ; Wed, 11 Nov 2026 15:21:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=B04Rmgrc Received: by smtp.kernel.org (Postfix) with ESMTPSA id BE98D1F00A05; Wed, 11 Nov 2026 15:21:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794410513; bh=CvXkKnpoIjFBXMFh/ZhuFqD5bTR3HvMZ0lYB0ahlEUQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=B04Rmgrc123ATMlmZce97l9p40wnzmCUp1dAiJQX1CVRwbOktrb3M7W6V+0dlBLO/ 2EwnbyDGhGH+kxgGIqNgPGG0KAsDGrYplXanpUyoDkPPZwoc87ifMghGESB2+pm85s E/sXDyABKjb5XZGMmoeGKH3JsgFEADp6nrSzLxqK80T4a0iCmK70O1uIkOc0QJ/0b8 HpQ8tqA1gkkc9pwScKTQVP6t534Azc/PoCJwnFyoFIxEQ0FvZCrhLCSwHJvwUtHfG1 uDb05DUye7SbgFAfmUe6++bX/DDYsmEd3cDxiMYRjaMw1wPFi+PpW7XdF7zM3OFwYe mhiBzA53gWixQ== From: Sasha Levin To: stable@vger.kernel.org Cc: Sean Young , Hans Verkuil , Sasha Levin Subject: [PATCH 5.15.y] media: serial_ir: Fix race condition where timer can be re-armed Date: Wed, 11 Nov 2026 10:21:51 -0500 Message-ID: <20261111152132.2651491-1-sashal@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20261107055939-failed-5.15-d74ac4016ba6@kernel.org> References: <20261107055939-failed-5.15-d74ac4016ba6@kernel.org> X-Mailing-List: stable@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Sean Young [ Upstream commit d74ac4016ba64cb3b20f395511d0b18025ca0ba9 ] Ensure the timer cannot be re-armed. Fixes: 2940c7e49775 ("[media] serial_ir: generate timeout") Signed-off-by: Sean Young Cc: stable@vger.kernel.org Acked-by: Hans Verkuil [ sashal: adjusted context to replace del_timer_sync() instead of timer_delete_sync() ] Signed-off-by: Sasha Levin --- drivers/media/rc/serial_ir.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/rc/serial_ir.c b/drivers/media/rc/serial_ir.c index 96ae0294ac102..dac341c68b2bb 100644 --- a/drivers/media/rc/serial_ir.c +++ b/drivers/media/rc/serial_ir.c @@ -797,7 +797,7 @@ static int __init serial_ir_init_module(void) static void __exit serial_ir_exit_module(void) { - del_timer_sync(&serial_ir.timeout_timer); + timer_shutdown_sync(&serial_ir.timeout_timer); serial_ir_exit(); } -- 2.53.0