diff options
| -rw-r--r-- | drivers/net/wireless/iwlegacy/iwl-core.c | 7 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlegacy/iwl-dev.h | 6 |
2 files changed, 13 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwlegacy/iwl-core.c b/drivers/net/wireless/iwlegacy/iwl-core.c index 2b08efb..dcbb2ef 100644 --- a/drivers/net/wireless/iwlegacy/iwl-core.c +++ b/drivers/net/wireless/iwlegacy/iwl-core.c @@ -2155,6 +2155,13 @@ int iwl_legacy_mac_config(struct ieee80211_hw *hw, u32 changed) goto set_ch_out; } + if (priv->iw_mode == NL80211_IFTYPE_ADHOC && + !iwl_legacy_is_channel_ibss(ch_info)) { + IWL_DEBUG_MAC80211(priv, "leave - not IBSS channel\n"); + ret = -EINVAL; + goto set_ch_out; + } + spin_lock_irqsave(&priv->lock, flags); for_each_context(priv, ctx) { diff --git a/drivers/net/wireless/iwlegacy/iwl-dev.h b/drivers/net/wireless/iwlegacy/iwl-dev.h index 9ee849d..f43ac1e 100644 --- a/drivers/net/wireless/iwlegacy/iwl-dev.h +++ b/drivers/net/wireless/iwlegacy/iwl-dev.h @@ -1411,6 +1411,12 @@ iwl_legacy_is_channel_passive(const struct iwl_channel_info *ch) return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0; } +static inline int +iwl_legacy_is_channel_ibss(const struct iwl_channel_info *ch) +{ + return (ch->flags & EEPROM_CHANNEL_IBSS) ? 1 : 0; +} + static inline void __iwl_legacy_free_pages(struct iwl_priv *priv, struct page *page) { |