Dedy Lansky bf2b61a683 cfg80211: fix rcu in cfg80211_unregister_wdev ...

Callers of cfg80211_unregister_wdev can free the wdev object
immediately after this function returns. This may crash the kernel
because this wdev object is still in use by other threads.
Add synchronize_rcu() after list_del_rcu to make sure wdev object can
be safely freed.

Signed-off-by: Dedy Lansky <dlansky@codeaurora.org>
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>

2018-06-15 13:05:14 +02:00

36 KiB

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