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Diffstat (limited to 'block/nbd.c')
-rw-r--r--block/nbd.c43
1 files changed, 20 insertions, 23 deletions
diff --git a/block/nbd.c b/block/nbd.c
index abae506f04..55124239df 100644
--- a/block/nbd.c
+++ b/block/nbd.c
@@ -188,31 +188,28 @@ out:
g_free(file);
}
-static int nbd_config(BDRVNBDState *s, QDict *options, char **export)
+static void nbd_config(BDRVNBDState *s, QDict *options, char **export,
+ Error **errp)
{
Error *local_err = NULL;
- if (qdict_haskey(options, "path")) {
- if (qdict_haskey(options, "host")) {
- qerror_report(ERROR_CLASS_GENERIC_ERROR, "path and host may not "
- "be used at the same time.");
- return -EINVAL;
+ if (qdict_haskey(options, "path") == qdict_haskey(options, "host")) {
+ if (qdict_haskey(options, "path")) {
+ error_setg(errp, "path and host may not be used at the same time.");
+ } else {
+ error_setg(errp, "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;
+ return;
}
+ s->client.is_unix = qdict_haskey(options, "path");
s->socket_opts = qemu_opts_create(&socket_optslist, NULL, 0,
&error_abort);
qemu_opts_absorb_qdict(s->socket_opts, options, &local_err);
if (local_err) {
- qerror_report_err(local_err);
- error_free(local_err);
- return -EINVAL;
+ error_propagate(errp, local_err);
+ return;
}
if (!qemu_opt_get(s->socket_opts, "port")) {
@@ -223,19 +220,17 @@ static int nbd_config(BDRVNBDState *s, QDict *options, char **export)
if (*export) {
qdict_del(options, "export");
}
-
- return 0;
}
-static int nbd_establish_connection(BlockDriverState *bs)
+static int nbd_establish_connection(BlockDriverState *bs, Error **errp)
{
BDRVNBDState *s = bs->opaque;
int sock;
if (s->client.is_unix) {
- sock = unix_socket_outgoing(qemu_opt_get(s->socket_opts, "path"));
+ sock = unix_connect_opts(s->socket_opts, errp, NULL, NULL);
} else {
- sock = tcp_socket_outgoing_opts(s->socket_opts);
+ sock = inet_connect_opts(s->socket_opts, errp, NULL, NULL);
if (sock >= 0) {
socket_set_nodelay(sock);
}
@@ -256,17 +251,19 @@ static int nbd_open(BlockDriverState *bs, QDict *options, int flags,
BDRVNBDState *s = bs->opaque;
char *export = NULL;
int result, sock;
+ Error *local_err = NULL;
/* Pop the config into our state object. Exit if invalid. */
- result = nbd_config(s, options, &export);
- if (result != 0) {
- return result;
+ nbd_config(s, options, &export, &local_err);
+ if (local_err) {
+ error_propagate(errp, local_err);
+ return -EINVAL;
}
/* establish TCP connection, return error if it fails
* TODO: Configurable retry-until-timeout behaviour.
*/
- sock = nbd_establish_connection(bs);
+ sock = nbd_establish_connection(bs, errp);
if (sock < 0) {
return sock;
}