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| author | Finn Thain <fthain@telegraphics.com.au> | 2019-06-09 11:19:11 +1000 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2019-06-20 15:37:03 -0400 |
| commit | f9dfed1c785734b95b08d67600e05d2092508ab0 (patch) | |
| tree | 06f27cd7f1ab551ef962a2361c848ae19f411c1b /drivers/scsi/NCR5380.c | |
| parent | 57f31326518e98ee4cabf9a04efe00ed57c54147 (diff) | |
| download | linux-f9dfed1c785734b95b08d67600e05d2092508ab0.tar.gz linux-f9dfed1c785734b95b08d67600e05d2092508ab0.tar.bz2 linux-f9dfed1c785734b95b08d67600e05d2092508ab0.zip | |
scsi: NCR5380: Handle PDMA failure reliably
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@gmail.com>
Cc: stable@vger.kernel.org # v4.20+
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Tested-by: Stan Johnson <userm57@yahoo.com>
Tested-by: Michael Schmitz <schmitzmic@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/NCR5380.c')
| -rw-r--r-- | drivers/scsi/NCR5380.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/scsi/NCR5380.c b/drivers/scsi/NCR5380.c index 08e3ea8159b3..d9fa9cf2fd8b 100644 --- a/drivers/scsi/NCR5380.c +++ b/drivers/scsi/NCR5380.c @@ -1761,10 +1761,8 @@ static void NCR5380_information_transfer(struct Scsi_Host *instance) 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 |