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Re: [Qemu-devel] [PATCH 4/5] net: drop if expression that is always true
From: |
Thomas Huth |
Subject: |
Re: [Qemu-devel] [PATCH 4/5] net: drop if expression that is always true |
Date: |
Wed, 27 May 2015 21:16:44 +0200 |
On Wed, 27 May 2015 17:16:51 +0100
Stefan Hajnoczi <address@hidden> wrote:
> Both is_netdev and !is_netdev paths already check that
> net_client_init_func[opts->kind] is non-NULL so there is no need for the
> if statement.
>
> Signed-off-by: Stefan Hajnoczi <address@hidden>
> ---
> net/net.c | 31 ++++++++++++++-----------------
> 1 file changed, 14 insertions(+), 17 deletions(-)
>
> diff --git a/net/net.c b/net/net.c
> index 85a9ddb..cc1793c 100644
> --- a/net/net.c
> +++ b/net/net.c
> @@ -899,6 +899,7 @@ static int net_client_init1(const void *object, int
> is_netdev, Error **errp)
> } u;
> const NetClientOptions *opts;
> const char *name;
> + NetClientState *peer = NULL;
>
> if (is_netdev) {
> u.netdev = object;
> @@ -935,25 +936,21 @@ static int net_client_init1(const void *object, int
> is_netdev, Error **errp)
> }
> }
>
> - if (net_client_init_fun[opts->kind]) {
> - NetClientState *peer = NULL;
> + /* Do not add to a vlan if it's a -netdev or a nic with a netdev=
> + * parameter. */
> + if (!is_netdev &&
> + (opts->kind != NET_CLIENT_OPTIONS_KIND_NIC ||
> + !opts->nic->has_netdev)) {
> + peer = net_hub_add_port(u.net->has_vlan ? u.net->vlan : 0, NULL);
> + }
>
> - /* Do not add to a vlan if it's a -netdev or a nic with a netdev=
> - * parameter. */
> - if (!is_netdev &&
> - (opts->kind != NET_CLIENT_OPTIONS_KIND_NIC ||
> - !opts->nic->has_netdev)) {
> - peer = net_hub_add_port(u.net->has_vlan ? u.net->vlan : 0, NULL);
> - }
> -
> - if (net_client_init_fun[opts->kind](opts, name, peer, errp) < 0) {
> - /* FIXME drop when all init functions store an Error */
> - if (errp && !*errp) {
> - error_set(errp, QERR_DEVICE_INIT_FAILED,
> - NetClientOptionsKind_lookup[opts->kind]);
> - }
> - return -1;
> + if (net_client_init_fun[opts->kind](opts, name, peer, errp) < 0) {
> + /* FIXME drop when all init functions store an Error */
> + if (errp && !*errp) {
> + error_set(errp, QERR_DEVICE_INIT_FAILED,
> + NetClientOptionsKind_lookup[opts->kind]);
> }
> + return -1;
> }
> return 0;
> }
Reviewed-by: Thomas Huth <address@hidden>
- [Qemu-devel] [PATCH 0/5] net: error when -net type isn't compiled in, Stefan Hajnoczi, 2015/05/27
- [Qemu-devel] [PATCH 1/5] net: add missing "netmap" to host_net_devices[], Stefan Hajnoczi, 2015/05/27
- [Qemu-devel] [PATCH 2/5] net: replace net_client_init1() netdev whitelist with blacklist, Stefan Hajnoczi, 2015/05/27
- [Qemu-devel] [PATCH 3/5] net: raise an error if -net type is invalid, Stefan Hajnoczi, 2015/05/27
- [Qemu-devel] [PATCH 5/5] net: simplify net_client_init1(), Stefan Hajnoczi, 2015/05/27
- [Qemu-devel] [PATCH 4/5] net: drop if expression that is always true, Stefan Hajnoczi, 2015/05/27
- Re: [Qemu-devel] [PATCH 4/5] net: drop if expression that is always true,
Thomas Huth <=