From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9C3B6C33CB1 for ; Thu, 16 Jan 2020 16:46:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6480B2176D for ; Thu, 16 Jan 2020 16:46:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1579193164; bh=n/jvbSX+FOK8nICkSkn2yXG7e58RQCtU2NcV+14PgJ0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=G1XjnWG095o9sqieLaMlVnTqojL4PRu/ctdFbmA7K4ipJuNz/i2JcMRs5IYJ5rR2l pdoxLa726Ut49hHbawmqhELXkNDoC4UDAGzWGLBX5J8H9D3o0dR4otWXrB6KUiA1M7 a3M5AOinTwx/UugyW/EdhbCJ19aPBtxy6J5qkDSQ= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729331AbgAPQqA (ORCPT ); Thu, 16 Jan 2020 11:46:00 -0500 Received: from mail.kernel.org ([198.145.29.99]:55070 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729701AbgAPQp7 (ORCPT ); Thu, 16 Jan 2020 11:45:59 -0500 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id B984C20663; Thu, 16 Jan 2020 16:45:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1579193159; bh=n/jvbSX+FOK8nICkSkn2yXG7e58RQCtU2NcV+14PgJ0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=mzSIvl+pZ1brJHOhUxnfV9+qYExAu1yz7vWLoMP2pTs8YPKuFXQMgJn7mLpc/u0Ag +5yJacBuR7xMWEpsji11UjPBD3v9Nq5rtccTwERal89XUUy8QCA9chXazbQAQkS7pH wI9dMbab/LJRjlVxMrGPpZfCqEEFcQZFVmKOawRI= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Christophe JAILLET , Hans Verkuil , Mauro Carvalho Chehab , Sasha Levin , linux-media@vger.kernel.org Subject: [PATCH AUTOSEL 5.4 036/205] media: v4l: cadence: Fix how unsued lanes are handled in 'csi2rx_start()' Date: Thu, 16 Jan 2020 11:40:11 -0500 Message-Id: <20200116164300.6705-36-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200116164300.6705-1-sashal@kernel.org> References: <20200116164300.6705-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org Archived-At: List-Archive: List-Post: From: Christophe JAILLET [ Upstream commit 2eca8e4c1df4864b937752c3aa2f7925114f4806 ] The 2nd parameter of 'find_first_zero_bit()' is a number of bits, not of bytes. So use 'csi2rx->max_lanes' instead of 'sizeof(lanes_used)'. Fixes: 1fc3b37f34f6 ("media: v4l: cadence: Add Cadence MIPI-CSI2 RX driver") Signed-off-by: Christophe JAILLET Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab Signed-off-by: Sasha Levin --- drivers/media/platform/cadence/cdns-csi2rx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/platform/cadence/cdns-csi2rx.c b/drivers/media/platform/cadence/cdns-csi2rx.c index 31ace114eda1..be9ec59774d6 100644 --- a/drivers/media/platform/cadence/cdns-csi2rx.c +++ b/drivers/media/platform/cadence/cdns-csi2rx.c @@ -129,7 +129,7 @@ static int csi2rx_start(struct csi2rx_priv *csi2rx) */ for (i = csi2rx->num_lanes; i < csi2rx->max_lanes; i++) { unsigned int idx = find_first_zero_bit(&lanes_used, - sizeof(lanes_used)); + csi2rx->max_lanes); set_bit(idx, &lanes_used); reg |= CSI2RX_STATIC_CFG_DLANE_MAP(i, i + 1); } -- 2.20.1