On Sun, 02/09 10:48, Paolo Bonzini wrote: > Before: > $ qemu-io-old > qemu-io-old> open -r -o file.driver=nbd > qemu-io-old: can't open device (null): Could not open image: Invalid > argument > $ ./qemu-io-old > qemu-io-old> open -r -o file.driver=nbd,file.host=foo,file.path=bar > path and host may not be used at the same time. > qemu-io-old: can't open device (null): Could not open image: Invalid > argument > > After: > $ ./qemu-io > qemu-io> open -r -o file.driver=nbd > one of path and host must be specified. > qemu-io: can't open device (null): Could not open image: Invalid argument > $ ./qemu-io > qemu-io> open -r -o file.driver=nbd,file.host=foo,file.path=bar > path and host may not be used at the same time. > qemu-io: can't open device (null): Could not open image: Invalid argument > > Next patch will fix the error propagation. > > Signed-off-by: Paolo Bonzini <pbonz...@redhat.com> > --- > block/nbd.c | 13 ++++++------- > 1 file changed, 6 insertions(+), 7 deletions(-) > > diff --git a/block/nbd.c b/block/nbd.c > index 327e913..fd89083 100644 > --- a/block/nbd.c > +++ b/block/nbd.c > @@ -192,19 +192,18 @@ static int nbd_config(BDRVNBDState *s, QDict *options, > char **export) > { > Error *local_err = NULL; > > - if (qdict_haskey(options, "path")) { > - if (qdict_haskey(options, "host")) { > + if (qdict_haskey(options, "path") == qdict_haskey(options, "host")) { > + if (qdict_haskey(options, "path")) { > qerror_report(ERROR_CLASS_GENERIC_ERROR, "path and host may not " > "be used at the same time."); > - return -EINVAL; > + } else { > + qerror_report(ERROR_CLASS_GENERIC_ERROR, "one of path and host " > + "must be specified."); > } > - s->client.is_unix = true; > - } else if (qdict_haskey(options, "host")) { > - s->client.is_unix = false; > - } else { > return -EINVAL; > } > > + s->client.is_unix = qdict_haskey(options, "path"); > s->socket_opts = qemu_opts_create(&socket_optslist, NULL, 0, > &error_abort); > > -- > 1.8.5.3 > > >
Reviewed-by: Fam Zheng <f...@redhat.com>