From: Stephen Cameron <stephenmcameron@xxxxxxxxx> Acking controller events on controllers that do not support it can cause such controllers to lock up. Reviewed-by: Scott Teel <scott.teel@xxxxxxxx> Signed-off-by: Joe Handzik <joseph.t.handzik@xxxxxx> Signed-off-by: Don Brace <don.brace@xxxxxxxx> --- drivers/scsi/hpsa.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c index 5abd49d..afd192d 100644 --- a/drivers/scsi/hpsa.c +++ b/drivers/scsi/hpsa.c @@ -6674,6 +6674,9 @@ static void hpsa_ack_ctlr_events(struct ctlr_info *h) int i; char *event_type; + if (!(h->fw_support & MISC_FW_EVENT_NOTIFY)) + return; + /* Ask the controller to clear the events we're handling. */ if ((h->transMethod & (CFGTBL_Trans_io_accel1 | CFGTBL_Trans_io_accel2)) && -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html