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 68B90125B3 for ; Mon, 8 May 2023 10:18:09 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E0790C433D2; Mon, 8 May 2023 10:18:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1683541089; bh=QvDiN8d/mMGJ07zgJtp6pyLoUdXXmYRuk4pUB9u+l6w=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=VpOJFCFfbRT4T9/K8qLHsfVgfM5fR9sXK2JtYZH1rasf2TRESgIXnXtTKDJRQ4u+b 0e4Wr5Xd6WjBh0/QClioBW5GNW10nDP0vqD6Iruu6Rkq2sh7r1+IQGNpV1pl23FF6E +mn5jD0s3rxLPRJMU9XTTMmtUTEBEm9YYd7oOk3g= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Xingui Yang , John Garry , Jason Yan , "Martin K. Petersen" Subject: [PATCH 6.1 611/611] scsi: libsas: Grab the ATA port lock in sas_ata_device_link_abort() Date: Mon, 8 May 2023 11:47:33 +0200 Message-Id: <20230508094441.766917233@linuxfoundation.org> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230508094421.513073170@linuxfoundation.org> References: <20230508094421.513073170@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: Xingui Yang commit a67aad57d9aee41180aff36e54cb72fe4b8d5a5a upstream. Grab the ATA port lock in sas_ata_device_link_abort() before calling ata_link_abort() as outlined in this function's locking requirements. Fixes: 44112922674b ("scsi: libsas: Add sas_ata_device_link_abort()") Signed-off-by: Xingui Yang Reviewed-by: John Garry Reviewed-by: Jason Yan Signed-off-by: Martin K. Petersen Signed-off-by: Greg Kroah-Hartman --- drivers/scsi/libsas/sas_ata.c | 3 +++ 1 file changed, 3 insertions(+) --- a/drivers/scsi/libsas/sas_ata.c +++ b/drivers/scsi/libsas/sas_ata.c @@ -890,7 +890,9 @@ void sas_ata_device_link_abort(struct do { struct ata_port *ap = device->sata_dev.ap; struct ata_link *link = &ap->link; + unsigned long flags; + spin_lock_irqsave(ap->lock, flags); device->sata_dev.fis[2] = ATA_ERR | ATA_DRDY; /* tf status */ device->sata_dev.fis[3] = ATA_ABORTED; /* tf error */ @@ -898,6 +900,7 @@ void sas_ata_device_link_abort(struct do if (force_reset) link->eh_info.action |= ATA_EH_RESET; ata_link_abort(link); + spin_unlock_irqrestore(ap->lock, flags); } EXPORT_SYMBOL_GPL(sas_ata_device_link_abort);