aboutsummaryrefslogtreecommitdiff
path: root/drivers/firewire/fw-sbp2.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/firewire/fw-sbp2.c')
-rw-r--r--drivers/firewire/fw-sbp2.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/firewire/fw-sbp2.c b/drivers/firewire/fw-sbp2.c
index 3e4a369d005..ba816ef6def 100644
--- a/drivers/firewire/fw-sbp2.c
+++ b/drivers/firewire/fw-sbp2.c
@@ -984,6 +984,7 @@ static int sbp2_scsi_queuecommand(struct scsi_cmnd *cmd, scsi_done_fn_t done)
struct fw_unit *unit = sd->unit;
struct fw_device *device = fw_device(unit->device.parent);
struct sbp2_command_orb *orb;
+ unsigned max_payload;
/*
* Bidirectional commands are not yet implemented, and unknown
@@ -1017,8 +1018,10 @@ static int sbp2_scsi_queuecommand(struct scsi_cmnd *cmd, scsi_done_fn_t done)
* specifies the max payload size as 2 ^ (max_payload + 2), so
* if we set this to max_speed + 7, we get the right value.
*/
+ max_payload = min(device->max_speed + 7,
+ device->card->max_receive - 1);
orb->request.misc =
- COMMAND_ORB_MAX_PAYLOAD(device->max_speed + 7) |
+ COMMAND_ORB_MAX_PAYLOAD(max_payload) |
COMMAND_ORB_SPEED(device->max_speed) |
COMMAND_ORB_NOTIFY;