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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id DC51AC43219 for ; Mon, 21 Mar 2022 13:59:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1348563AbiCUOAw (ORCPT ); Mon, 21 Mar 2022 10:00:52 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46654 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1348584AbiCUN6E (ORCPT ); Mon, 21 Mar 2022 09:58:04 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 212C215DABC; Mon, 21 Mar 2022 06:55:49 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id A51DF612E7; Mon, 21 Mar 2022 13:55:35 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B0619C340E8; Mon, 21 Mar 2022 13:55:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1647870935; bh=YxizQVir2MiOV58U+ZMYBGDDtJL9oDimqsdgBqpeyys=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ZBCkKnDtRtQALYVwLc4FRorWqpOjRLK73DeSokKHkNRcS5ZxJLDmXtTdRFGPz92er WaaeaaLdN7YByk7M1ZBLmBYmJmfM6xm5EHurVqXFrMYCbgwSoh2vgvcGqzxoQZwF0Q b42E9HqslZx5SFmG1WgjegJ8ruCTsBa+oaheDjXY= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Lucas Wei Subject: [PATCH 4.19 22/57] fs: sysfs_emit: Remove PAGE_SIZE alignment check Date: Mon, 21 Mar 2022 14:52:03 +0100 Message-Id: <20220321133222.632387689@linuxfoundation.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220321133221.984120927@linuxfoundation.org> References: <20220321133221.984120927@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Lucas Wei For kernel releases older than 4.20, using the SLUB alloctor will cause this alignment check to fail as that allocator did NOT align kmalloc allocations on a PAGE_SIZE boundry. Remove the check for these older kernels as it is a false-positive and causes problems on many devices. Signed-off-by: Lucas Wei Signed-off-by: Greg Kroah-Hartman --- fs/sysfs/file.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) --- a/fs/sysfs/file.c +++ b/fs/sysfs/file.c @@ -572,8 +572,7 @@ int sysfs_emit(char *buf, const char *fm va_list args; int len; - if (WARN(!buf || offset_in_page(buf), - "invalid sysfs_emit: buf:%p\n", buf)) + if (WARN(!buf, "invalid sysfs_emit: buf:%p\n", buf)) return 0; va_start(args, fmt);