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-rw-r--r--net/wireless/core.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/net/wireless/core.c b/net/wireless/core.c
index 83ea164f16b3..7b33e8c366bc 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -711,6 +711,11 @@ int wiphy_register(struct wiphy *wiphy)
(wiphy->bss_select_support & ~(BIT(__NL80211_BSS_SELECT_ATTR_AFTER_LAST) - 2))))
return -EINVAL;
+ if (WARN_ON(wiphy_ext_feature_isset(&rdev->wiphy,
+ NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X) &&
+ (!rdev->ops->set_pmk || !rdev->ops->del_pmk)))
+ return -EINVAL;
+
if (wiphy->addresses)
memcpy(wiphy->perm_addr, wiphy->addresses[0].addr, ETH_ALEN);