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block/nbd: Reject port parameter without host

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Currently, a port that is passed along with a UNIX socket path is
silently ignored. That is not exactly ideal, it should be an error
instead.

Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Max Reitz 2016-10-25 15:11:30 +02:00 committed by Kevin Wolf
parent 82d73014a9
commit 442045cbce
1 changed files with 5 additions and 2 deletions
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7
block/nbd.c
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@ -197,6 +197,7 @@ static SocketAddress *nbd_config(BDRVNBDState *s, QemuOpts *opts, Error **errp)
s->path = g_strdup(qemu_opt_get(opts, "path"));
s->host = g_strdup(qemu_opt_get(opts, "host"));
s->port = g_strdup(qemu_opt_get(opts, "port"));
if (!s->path == !s->host) {
if (s->path) {
@ -206,6 +207,10 @@ static SocketAddress *nbd_config(BDRVNBDState *s, QemuOpts *opts, Error **errp)
}
return NULL;
}
if (s->port && !s->host) {
error_setg(errp, "port may not be used without host");
return NULL;
}
saddr = g_new0(SocketAddress, 1);
@ -217,8 +222,6 @@ static SocketAddress *nbd_config(BDRVNBDState *s, QemuOpts *opts, Error **errp)
} else {
InetSocketAddress *inet;
s->port = g_strdup(qemu_opt_get(opts, "port"));
saddr->type = SOCKET_ADDRESS_KIND_INET;
inet = saddr->u.inet.data = g_new0(InetSocketAddress, 1);
inet->host = g_strdup(s->host);