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| author | Thomas Gleixner <tglx@linutronix.de> | 2018-03-20 12:56:18 +0300 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2018-03-20 12:56:18 +0300 |
| commit | edc39c9b4589a4ce9a69273b5a27a1459c3423d4 (patch) | |
| tree | e5850fe4a533579b0de12c02e48f7dcdd60e8e38 /net/batman-adv/hard-interface.c | |
| parent | a06cc94f3f8dfab74fe7fac3a6e9f15d77566d00 (diff) | |
| parent | 1b5f3ba415fe4cf8b8b39c8d104ed44cde330658 (diff) | |
| download | linux-edc39c9b4589a4ce9a69273b5a27a1459c3423d4.tar.xz | |
Merge branch 'linus' into x86/build to pick up dependencies
Diffstat (limited to 'net/batman-adv/hard-interface.c')
| -rw-r--r-- | net/batman-adv/hard-interface.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/net/batman-adv/hard-interface.c b/net/batman-adv/hard-interface.c index 5f186bff284a..68b54a39c51d 100644 --- a/net/batman-adv/hard-interface.c +++ b/net/batman-adv/hard-interface.c @@ -763,6 +763,11 @@ int batadv_hardif_enable_interface(struct batadv_hard_iface *hard_iface, hard_iface->soft_iface = soft_iface; bat_priv = netdev_priv(hard_iface->soft_iface); + if (bat_priv->num_ifaces >= UINT_MAX) { + ret = -ENOSPC; + goto err_dev; + } + ret = netdev_master_upper_dev_link(hard_iface->net_dev, soft_iface, NULL, NULL, NULL); if (ret) @@ -876,7 +881,7 @@ void batadv_hardif_disable_interface(struct batadv_hard_iface *hard_iface, batadv_hardif_recalc_extra_skbroom(hard_iface->soft_iface); /* nobody uses this interface anymore */ - if (!bat_priv->num_ifaces) { + if (bat_priv->num_ifaces == 0) { batadv_gw_check_client_stop(bat_priv); if (autodel == BATADV_IF_CLEANUP_AUTO) @@ -912,7 +917,7 @@ batadv_hardif_add_interface(struct net_device *net_dev) if (ret) goto free_if; - hard_iface->if_num = -1; + hard_iface->if_num = 0; hard_iface->net_dev = net_dev; hard_iface->soft_iface = NULL; hard_iface->if_status = BATADV_IF_NOT_IN_USE; |