35e4e96c4d
scsi_req_continue can complete the request and cause the VirtIOSCSIReq to be freed. Fetch req->sreq just once to avoid the bug. Reported-by: Richard Jones <rjones@redhat.com> Tested-by: Richard Jones <rjones@redhat.com> Reviewed-by: Fam Zheng <famz@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>