nl80211: take RCU read lock when calling ieee80211_bss_get_ie()

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As ieee80211_bss_get_ie() derefences an RCU to return ssid_ie, both
the call to this function and any operation on this variable need
protection by the RCU read lock.

Fixes: 44905265bc ("nl80211: don't expose wdev->ssid for most interfaces")
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

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Dominik Brodowski 2018-01-15 08:12:15 +01:00 • committed by Johannes Berg

parent a48a52b7be

commit 7a94b8c2ee

1 changed files with 7 additions and 4 deletions

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net/wireless/nl80211.c

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