From: Finn Thain <fthain@xxxxxxxxxxxxxxxxxxx>
commit f9dfed1c785734b95b08d67600e05d2092508ab0 upstream.
A PDMA error is handled in the core driver by setting the device's 'borken'
flag and aborting the command. Unfortunately, do_abort() is not
dependable. Perform a SCSI bus reset instead, to make sure that the command
fails and gets retried.
Cc: Michael Schmitz <schmitzmic@xxxxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx # v4.20+
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: Finn Thain <fthain@xxxxxxxxxxxxxxxxxxx>
Tested-by: Stan Johnson <userm57@xxxxxxxxx>
Tested-by: Michael Schmitz <schmitzmic@xxxxxxxxx>
Signed-off-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/scsi/NCR5380.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
--- a/drivers/scsi/NCR5380.c
+++ b/drivers/scsi/NCR5380.c
@@ -1762,10 +1762,8 @@ static void NCR5380_information_transfer
scmd_printk(KERN_INFO, cmd,
"switching to slow handshake\n");
cmd->device->borken = 1;
- sink = 1;
- do_abort(instance);
- cmd->result = DID_ERROR << 16;
- /* XXX - need to source or sink data here, as appropriate */
+ do_reset(instance);
+ bus_reset_cleanup(instance);
}
} else {
/* Transfer a small chunk so that the
