[PATCH 4.9 134/222] scsi: NCR5380: Clear all unissued commands on host reset

From: Greg Kroah-Hartman
Date: Fri Nov 22 2019 - 06:21:37 EST


From: Hannes Reinecke <hare@xxxxxxxx>

[ Upstream commit 1aeeeed7f03c576f096eede7b0384f99a98f588c ]

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

[mkp: adjusted Hannes' SoB address]

Signed-off-by: Hannes Reinecke <hare@xxxxxxxx>
Reviewed-by: Johannes Thumshirn <jthumshirn@xxxxxxx>
Cc: Ondrey Zary <linux@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Finn Thain <fthain@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
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 3cfab8868c989..ba7b3aef3ef0b 100644
--- a/drivers/scsi/NCR5380.c
+++ b/drivers/scsi/NCR5380.c
@@ -2392,7 +2392,7 @@ static int NCR5380_bus_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);
@@ -2410,10 +2410,13 @@ static int NCR5380_bus_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;
--
2.20.1