linux-kernel - [PATCH 01/10] NCR5380: Clear all unissued commands on host reset

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Date:   Thu, 27 Sep 2018 11:17:11 +1000
From:   Finn Thain <fthain@...egraphics.com.au>
To:     "James E.J. Bottomley" <jejb@...ux.vnet.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>
Cc:     Michael Schmitz <schmitzmic@...il.com>,
        Hannes Reinecke <hare@...e.de>,
        Ondrey Zary <linux@...nbow-software.org>,
        linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 01/10] NCR5380: Clear all unissued commands on host reset

From: Hannes Reinecke <hare@...e.de>

When doing a host reset we should be clearing all outstanding
commands, not just the command triggering the reset.

Signed-off-by: Hannes Reinecke <hare@...e.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@...e.de>
Cc: Ondrey Zary <linux@...nbow-software.org>
Signed-off-by: Finn Thain <fthain@...egraphics.com.au>
---
 drivers/scsi/NCR5380.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/scsi/NCR5380.c b/drivers/scsi/NCR5380.c
index 90ea0f5d9bdb..80c20ab4fc53 100644
--- a/drivers/scsi/NCR5380.c
+++ b/drivers/scsi/NCR5380.c
@@ -2308,7 +2308,7 @@ static int NCR5380_host_reset(struct scsi_cmnd *cmd)
 	spin_lock_irqsave(&hostdata->lock, flags);
 
 #if (NDEBUG & NDEBUG_ANY)
-	scmd_printk(KERN_INFO, cmd, __func__);
+	shost_printk(KERN_INFO, instance, __func__);
 #endif
 	NCR5380_dprint(NDEBUG_ANY, instance);
 	NCR5380_dprint_phase(NDEBUG_ANY, instance);
@@ -2326,10 +2326,13 @@ static int NCR5380_host_reset(struct scsi_cmnd *cmd)
 	 * commands!
 	 */
 
-	if (list_del_cmd(&hostdata->unissued, cmd)) {
+	list_for_each_entry(ncmd, &hostdata->unissued, list) {
+		struct scsi_cmnd *cmd = NCR5380_to_scmd(ncmd);
+
 		cmd->result = DID_RESET << 16;
 		cmd->scsi_done(cmd);
 	}
+	INIT_LIST_HEAD(&hostdata->unissued);
 
 	if (hostdata->selecting) {
 		hostdata->selecting->result = DID_RESET << 16;
-- 
2.16.4