tree e08f694a079cf365736e24aaa58f55422ecfb227
parent a1097a2614c3ff772e450454417bb1b51d6a01bc
author Chunyan Liu <cyliu@suse.com> 1401960050 +0800
committer Stefan Hajnoczi <stefanha@redhat.com> 1402910600 +0800

QemuOpts: check NULL input for qemu_opts_del

To simplify later using of qemu_opts_del, accept NULL input.

Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Leandro Dorileo <l@dorileo.org>
Signed-off-by: Chunyan Liu <cyliu@suse.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>