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 74B40AD23 for ; Thu, 27 Oct 2022 17:03:16 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id EEA26C433C1; Thu, 27 Oct 2022 17:03:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1666890196; bh=ei+uedMaTOIPuxjpu6diHqgY1TRnnG9bfnjO2qXCiQs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=hWP/ErOs3CptMwN7dF7ElweMfM0MfoNy/LePsbUbE/3g1R2hAc7opE4KLCy8Ynl4d csB1osrTNNRwB52y82Hvx0I+hvy4tkgMZ+CAbeO9+Z2jOZdBAmOmyDGGfL8Iwvj+g2 uQTbxpmzFzh1NO7Yt92CrFOVycIoSXl0CL63G8H0= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Sean Young , Mauro Carvalho Chehab Subject: [PATCH 5.15 28/79] media: mceusb: set timeout to at least timeout provided Date: Thu, 27 Oct 2022 18:55:26 +0200 Message-Id: <20221027165055.881880670@linuxfoundation.org> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221027165054.917467648@linuxfoundation.org> References: <20221027165054.917467648@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Sean Young commit 20b794ddce475ed012deb365000527c17b3e93e6 upstream. By rounding down, the actual timeout can be lower than requested. As a result, long spaces just below the requested timeout can be incorrectly reported as timeout and truncated. Fixes: 877f1a7cee3f ("media: rc: mceusb: allow the timeout to be configurable") Cc: stable@vger.kernel.org Signed-off-by: Sean Young Signed-off-by: Mauro Carvalho Chehab Signed-off-by: Greg Kroah-Hartman --- drivers/media/rc/mceusb.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/media/rc/mceusb.c +++ b/drivers/media/rc/mceusb.c @@ -1077,7 +1077,7 @@ static int mceusb_set_timeout(struct rc_ struct mceusb_dev *ir = dev->priv; unsigned int units; - units = DIV_ROUND_CLOSEST(timeout, MCE_TIME_UNIT); + units = DIV_ROUND_UP(timeout, MCE_TIME_UNIT); cmdbuf[2] = units >> 8; cmdbuf[3] = units;