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| author | Paolo Bonzini <pbonzini@redhat.com> | 2012-11-12 14:25:17 +0100 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2012-11-12 14:38:29 +0100 |
| commit | 17b6be4a7fc9db4f4c56908bab137d4c491471f1 (patch) | |
| tree | 0dd312f683c3514895c264d8337604758b4215b8 /blockdev-nbd.c | |
| parent | e644473445177671ec408dfdec705cf931657998 (diff) | |
| download | qemu-17b6be4a7fc9db4f4c56908bab137d4c491471f1.tar.gz qemu-17b6be4a7fc9db4f4c56908bab137d4c491471f1.tar.bz2 qemu-17b6be4a7fc9db4f4c56908bab137d4c491471f1.zip | |
nbd: disallow nbd-server-add before nbd-server-start
It works nicely with the QMP commands, but it adds useless complication
with HMP. In particular, see the following:
(qemu) nbd_server_add -w scsi0-hd0
(qemu) nbd_server_start -a localhost:10809
NBD server already exporting device scsi0-hd0
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'blockdev-nbd.c')
| -rw-r--r-- | blockdev-nbd.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/blockdev-nbd.c b/blockdev-nbd.c index e362572279..d1721a3e26 100644 --- a/blockdev-nbd.c +++ b/blockdev-nbd.c @@ -82,6 +82,11 @@ void qmp_nbd_server_add(const char *device, bool has_writable, bool writable, NBDExport *exp; NBDCloseNotifier *n; + if (server_fd == -1) { + error_setg(errp, "NBD server not running"); + return; + } + if (nbd_export_find(device)) { error_setg(errp, "NBD server already exporting device '%s'", device); return; |