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=-19.7 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 6AEE6C432BE for ; Tue, 10 Aug 2021 14:22:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 53D1860EBB for ; Tue, 10 Aug 2021 14:22:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242967AbhHJOXB (ORCPT ); Tue, 10 Aug 2021 10:23:01 -0400 Received: from mail.kernel.org ([198.145.29.99]:54272 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243330AbhHJOTl (ORCPT ); Tue, 10 Aug 2021 10:19:41 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id B465B61163; Tue, 10 Aug 2021 14:17:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1628605023; bh=kln+TdL2yLTp4Awig9Sffb7Fm7JG6GfX55GX2Gh1dxg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=dFf+Ka8DhGH9SMiWJtJDwo2s+S+m1e2cu5zkLiitNzOwBELjFEL3cyUaDqvpJ/Qu+ B//P4bw3Aaqv7cTYO108a6Z34+NyaThx5zsyiCei3sC/ReFODLuOclEcRfgy+WWr7I z0gprHp4tTqRGXBFWX/q9CgzSc+T0wLpcTIsHTwWvX6Cm+OEW2Bo15LZPp/NXe85G8 E5DCokKp223rW9jzpE6BER+F/53UIGveExB4aPzkrU2ONeov3ONhkO05Ib/V1ls37D MA6e0NVr6GLBUiWylVoA0Akk7YDiFCb8HLVc94rwJ2u12FBMV+CVHtQNp50KYWfcIL GfC5ZSvUUB9Dg== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Sreekanth Reddy , "Martin K . Petersen" , Sasha Levin , linux-scsi@vger.kernel.org Subject: [PATCH AUTOSEL 4.9 6/8] scsi: core: Avoid printing an error if target_alloc() returns -ENXIO Date: Tue, 10 Aug 2021 10:16:53 -0400 Message-Id: <20210810141655.3118498-6-sashal@kernel.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210810141655.3118498-1-sashal@kernel.org> References: <20210810141655.3118498-1-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: Sreekanth Reddy [ Upstream commit 70edd2e6f652f67d854981fd67f9ad0f1deaea92 ] Avoid printing a 'target allocation failed' error if the driver target_alloc() callback function returns -ENXIO. This return value indicates that the corresponding H:C:T:L entry is empty. Removing this error reduces the scan time if the user issues SCAN_WILD_CARD scan operation through sysfs parameter on a host with a lot of empty H:C:T:L entries. Avoiding the printk on -ENXIO matches the behavior of the other callback functions during scanning. Link: https://lore.kernel.org/r/20210726115402.1936-1-sreekanth.reddy@broadcom.com Signed-off-by: Sreekanth Reddy Signed-off-by: Martin K. Petersen Signed-off-by: Sasha Levin --- drivers/scsi/scsi_scan.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c index 397deb69c659..e51819e3a508 100644 --- a/drivers/scsi/scsi_scan.c +++ b/drivers/scsi/scsi_scan.c @@ -460,7 +460,8 @@ static struct scsi_target *scsi_alloc_target(struct device *parent, error = shost->hostt->target_alloc(starget); if(error) { - dev_printk(KERN_ERR, dev, "target allocation failed, error %d\n", error); + if (error != -ENXIO) + dev_err(dev, "target allocation failed, error %d\n", error); /* don't want scsi_target_reap to do the final * put because it will be under the host lock */ scsi_target_destroy(starget); -- 2.30.2