Commit 3e32e8a9 authored by Eugene (jno) Dvurechenski's avatar Eugene (jno) Dvurechenski Committed by Paolo Bonzini
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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: default avatar"Eugene (jno) Dvurechenski" <jno@linux.vnet.ibm.com>
Reviewed-by: default avatarDavid Hildenbrand <dahi@linux.vnet.ibm.com>
Message-Id: <1448549135-6582-2-git-send-email-jno@linux.vnet.ibm.com>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent 12a3567c

hw/scsi/virtio-scsi.c

+1 −1
Original line number Diff line number Diff line
@@ -250,7 +250,7 @@ static int virtio_scsi_do_tmf(VirtIOSCSI *s, VirtIOSCSIReq *req) 
    int target;

    int ret = 0;



    if (s->dataplane_started) {

    if (s->dataplane_started && d) {

        assert(blk_get_aio_context(d->conf.blk) == s->ctx);

    }

    /* Here VIRTIO_SCSI_S_OK means "FUNCTION COMPLETE".  */