virtio-scsi: don't crash without a valid device
authorEugene (jno) Dvurechenski <jno@linux.vnet.ibm.com>
Thu, 26 Nov 2015 14:45:35 +0000 (15:45 +0100)
committerPaolo Bonzini <pbonzini@redhat.com>
Thu, 26 Nov 2015 15:47:44 +0000 (16:47 +0100)
commit3e32e8a96e6995cde3d8a13d68e31226ee83f290
treea0fe9222a8f7793016e981cb43f44f16f8dd3796
parent12a3567c4099be194b44987ac5d7d65b99bcfab7
virtio-scsi: don't crash without a valid device

Make sure that we actually have a device when checking the aio
context. Otherwise guests could trigger QEMU crashes.

Signed-off-by: "Eugene (jno) Dvurechenski" <jno@linux.vnet.ibm.com>
Reviewed-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Message-Id: <1448549135-6582-2-git-send-email-jno@linux.vnet.ibm.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
hw/scsi/virtio-scsi.c