[SCSI] aha152x: use bounce buffer

Cause highmem buffers to be bounced to low memory until this
driver supports highmem addresses.  Otherwise it just oopses
on NULL buffer addresses.

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

1 files changed, 7 insertions, 0 deletions

diff --git a/drivers/scsi/aha152x.c b/drivers/scsi/aha152x.c
index 0afc0c965333..c841f11f4e32 100644
--- a/drivers/scsi/aha152x.c
+++ b/drivers/scsi/aha152x.c
@@ -3474,6 +3474,12 @@ static int aha152x_proc_info(struct Scsi_Host *shpnt, char *buffer, char **start
         return thislength < length ? thislength : length;
 }
 
+static int aha152x_adjust_queue(struct scsi_device *device)
+{
+        blk_queue_bounce_limit(device->request_queue, BLK_BOUNCE_HIGH);
+        return 0;
+}
+
 static struct scsi_host_template aha152x_driver_template = {
         .module                         = THIS_MODULE,
         .name                           = AHA152X_REVID,
@@ -3490,6 +3496,7 @@ static struct scsi_host_template aha152x_driver_template = {
         .sg_tablesize                   = SG_ALL,
         .cmd_per_lun                    = 1,
         .use_clustering                 = DISABLE_CLUSTERING,
+        .slave_alloc                    = aha152x_adjust_queue,
 };
 
 #if !defined(PCMCIA)