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=-19.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 F0211C11F66 for ; Sat, 10 Jul 2021 02:27:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DF0F761428 for ; Sat, 10 Jul 2021 02:27:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233212AbhGJCaS (ORCPT ); Fri, 9 Jul 2021 22:30:18 -0400 Received: from mail.kernel.org ([198.145.29.99]:42484 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233644AbhGJC1e (ORCPT ); Fri, 9 Jul 2021 22:27:34 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id A05D26140F; Sat, 10 Jul 2021 02:24:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1625883875; bh=XTrAhiCQBgv6zHFyOrAJmGwSLDcsHJ+tJxlfFIqk2VA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=IhIX3fSdAJmLY8SPSl7/8LnpZi3OYxrhtUQhdEV3ovpPsxqsi7Fv6KuPkxH6cKitM 8WPulN08yfxzC8lgPOO9tMbleleDYMQ9gYaIqnZN/Xs5TNyJkweZQC85QELunrsuX6 x18c+grq0ByyDKJbnR2ZHO85Qg03HCLo4chxZ8EM2TKhO00xmt+V5Nn0pOJzKcOryo mTIdR0VxHQuD8YZQR4AsVIvgYfew8lYDT/A1p+GmCQzKjVTvLcd7N1PsR4b0/XsBTo t4Yr3giDYdtt8mITFGl0j4vSTiMTzkSV2LWIowNd0uc57FTJwEtb7MiTipD1qZJ9nK RgzylUlLd3lYg== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: ching Huang , "Martin K . Petersen" , Sasha Levin , linux-scsi@vger.kernel.org Subject: [PATCH AUTOSEL 5.10 05/93] scsi: arcmsr: Fix the wrong CDB payload report to IOP Date: Fri, 9 Jul 2021 22:22:59 -0400 Message-Id: <20210710022428.3169839-5-sashal@kernel.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210710022428.3169839-1-sashal@kernel.org> References: <20210710022428.3169839-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: ching Huang [ Upstream commit 5b8644968d2ca85abb785e83efec36934974b0c2 ] This patch fixes the wrong CDB payload report to IOP. Link: https://lore.kernel.org/r/d2c97df3c817595c6faf582839316209022f70da.camel@areca.com.tw Signed-off-by: ching Huang Signed-off-by: Martin K. Petersen Signed-off-by: Sasha Levin --- drivers/scsi/arcmsr/arcmsr_hba.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c index e4fdb473b990..4838f790dac7 100644 --- a/drivers/scsi/arcmsr/arcmsr_hba.c +++ b/drivers/scsi/arcmsr/arcmsr_hba.c @@ -1928,8 +1928,12 @@ static void arcmsr_post_ccb(struct AdapterControlBlock *acb, struct CommandContr if (ccb->arc_cdb_size <= 0x300) arc_cdb_size = (ccb->arc_cdb_size - 1) >> 6 | 1; - else - arc_cdb_size = (((ccb->arc_cdb_size + 0xff) >> 8) + 2) << 1 | 1; + else { + arc_cdb_size = ((ccb->arc_cdb_size + 0xff) >> 8) + 2; + if (arc_cdb_size > 0xF) + arc_cdb_size = 0xF; + arc_cdb_size = (arc_cdb_size << 1) | 1; + } ccb_post_stamp = (ccb->smid | arc_cdb_size); writel(0, &pmu->inbound_queueport_high); writel(ccb_post_stamp, &pmu->inbound_queueport_low); -- 2.30.2