scsi: NCR5380: Handle PDMA failure reliably
authorFinn Thain <fthain@telegraphics.com.au>
Sun, 9 Jun 2019 01:19:11 +0000 (11:19 +1000)
committerMartin K. Petersen <martin.petersen@oracle.com>
Thu, 20 Jun 2019 19:37:03 +0000 (15:37 -0400)
commitf9dfed1c785734b95b08d67600e05d2092508ab0
tree06f27cd7f1ab551ef962a2361c848ae19f411c1b
parent57f31326518e98ee4cabf9a04efe00ed57c54147
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>
drivers/scsi/NCR5380.c