nl80211: Fix possible Spectre-v1 for CQM RSSI thresholds
Use array_index_nospec() to sanitize i with respect to speculation. Note that the user doesn't control i directly, but can make it out of bounds by not finding a threshold in the array. Signed-off-by: Masashi Honma <masashi.honma@gmail.com> [add note about user control, as explained by Masashi] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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