mac80211: fix ieee80211_ioctl_giwrate
The ieee80211_ioctl_giwrate() ioctl handler doesn't rcu_read_lock() its access to the sta table, fix it. Signed-off-by: NJohannes Berg <johannes@sipsolutions.net> Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
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