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[Qemu-devel] [PATCH v4 9/9] virtio-scsi: handle virtio_scsi_set_config()


From: Greg Kurz
Subject: [Qemu-devel] [PATCH v4 9/9] virtio-scsi: handle virtio_scsi_set_config() error
Date: Fri, 30 Sep 2016 17:13:48 +0200
User-agent: StGit/0.17.1-dirty

This error is caused by a buggy guest: let's switch the device to the
broken state instead of terminating QEMU.

Signed-off-by: Greg Kurz <address@hidden>
Reviewed-by: Stefan Hajnoczi <address@hidden>
---
v4: - added Stefan's R-b tag
---
 hw/scsi/virtio-scsi.c |    5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/hw/scsi/virtio-scsi.c b/hw/scsi/virtio-scsi.c
index b58de956b684..6eaadd8d7c7d 100644
--- a/hw/scsi/virtio-scsi.c
+++ b/hw/scsi/virtio-scsi.c
@@ -644,8 +644,9 @@ static void virtio_scsi_set_config(VirtIODevice *vdev,
 
     if ((uint32_t) virtio_ldl_p(vdev, &scsiconf->sense_size) >= 65536 ||
         (uint32_t) virtio_ldl_p(vdev, &scsiconf->cdb_size) >= 256) {
-        error_report("bad data written to virtio-scsi configuration space");
-        exit(1);
+        virtio_error(vdev,
+                     "bad data written to virtio-scsi configuration space");
+        return;
     }
 
     vs->sense_size = virtio_ldl_p(vdev, &scsiconf->sense_size);




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