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mac80211: ibss: handle cfg80211_chandef_dfs_required() error codes

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Error codes returned by cfg80211_chandef_dfs_required() are ignored
when trying to join an IBSS.  Fix this by printing an error and
returning.

Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Luciano Coelho 2014-02-20 16:36:23 +02:00 committed by Johannes Berg
parent 7b2106aea2
commit 6658ab80fd
1 changed files with 5 additions and 0 deletions
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5
net/mac80211/ibss.c
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@ -283,6 +283,11 @@ static void __ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata,
err = cfg80211_chandef_dfs_required(sdata->local->hw.wiphy,
&chandef);
if (err < 0) {
sdata_info(sdata,
"Failed to join IBSS, invalid chandef\n");
return;
}
if (err > 0) {
if (!ifibss->userspace_handles_dfs) {
sdata_info(sdata,