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-rw-r--r--net/mac80211/ibss.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c
index 4453e2725e40..e458ca0dffec 100644
--- a/net/mac80211/ibss.c
+++ b/net/mac80211/ibss.c
@@ -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,