An oops can occur when submitting ioaccel2 commands when the phys_disk pointer is NULL in hpsa_scsi_ioaccel_raid_map. Happens when there are configuration changes during I/O operations.
If the phys_disk pointer is NULL, send the command down the RAID path. Reviewed-by: Mahesh Rajashekhara <[email protected]> Reviewed-by: Justin Lindley <[email protected]> Reviewed-by: Scott Teel <[email protected]> Reviewed-by: Kevin Barnett <[email protected]> Signed-off-by: Don Brace <[email protected]> --- drivers/scsi/hpsa.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c index 589b44e..edbecf8 100644 --- a/drivers/scsi/hpsa.c +++ b/drivers/scsi/hpsa.c @@ -4981,6 +4981,8 @@ static int hpsa_scsi_ioaccel_raid_map(struct ctlr_info *h, return IO_ACCEL_INELIGIBLE; c->phys_disk = dev->phys_disk[map_index]; + if (!c->phys_disk) + return IO_ACCEL_INELIGIBLE; disk_handle = dd[map_index].ioaccel_handle; disk_block = le64_to_cpu(map->disk_starting_blk) + -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
