From dbf0a1cd3ec1daa2684c70e284cfc602588241f5 Mon Sep 17 00:00:00 2001 From: Alexander Motin Date: Tue, 17 Nov 2009 21:26:05 +0000 Subject: [PATCH] MFC r199263: Do not enable tagged queueing if controller reports 0 tags support. --- sys/cam/ata/ata_xpt.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/sys/cam/ata/ata_xpt.c b/sys/cam/ata/ata_xpt.c index 6485d265921..24a64fe4908 100644 --- a/sys/cam/ata/ata_xpt.c +++ b/sys/cam/ata/ata_xpt.c @@ -719,7 +719,8 @@ noerror: /* XXX: If not all tags allowed, we must to tell SIM which are. */ if (path->device->mintags < path->bus->sim->max_tagged_dev_openings) path->device->mintags = path->device->maxtags = 0; - if (path->device->mintags != 0) { + if (path->device->mintags != 0 && + path->bus->sim->max_tagged_dev_openings != 0) { xpt_start_tags(path); } ata_device_transport(path);