From 2e7cc4d604206ce15d298686c0ffd77dcedc33a2 Mon Sep 17 00:00:00 2001
From: Paolo Bonzini <pbonzini@redhat.com>
Date: Mon, 18 Apr 2011 14:29:16 +0200
Subject: [PATCH] scsi-generic: Handle queue full

The sg driver currently has a hardcoded limit of commands it
can handle simultaneously. When this limit is reached the
driver will return -EDOM. So we need to capture this to
enable proper return values here.

Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
---
 hw/scsi-generic.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/hw/scsi-generic.c b/hw/scsi-generic.c
index 579bab9e7c..7670606419 100644
--- a/hw/scsi-generic.c
+++ b/hw/scsi-generic.c
@@ -124,6 +124,9 @@ static void scsi_command_complete(void *opaque, int ret)
 
     if (ret != 0) {
         switch (ret) {
+        case -EDOM:
+            r->req.status = TASK_SET_FULL;
+            break;
         case -EINVAL:
             r->req.status = CHECK_CONDITION;
             scsi_set_sense(s, SENSE_CODE(INVALID_FIELD));
-- 
2.11.4.GIT