| Message ID | 20130612080042.GA1695@gmail.com |
|---|---|
| State | Not Applicable, archived |
| Delegated to: | David Miller |
| Headers | show |
diff --git a/net/mac80211/rate.c b/net/mac80211/rate.c index d3f414f..090d9b0 100644 --- a/net/mac80211/rate.c +++ b/net/mac80211/rate.c @@ -538,6 +538,8 @@ static void rate_control_fill_sta_table(struct ieee80211_sta *sta, struct ieee80211_sta_rates *ratetbl = NULL; int i; + rcu_read_lock(); + if (sta && !info->control.skip_table) ratetbl = rcu_dereference(sta->rates); @@ -566,6 +568,8 @@ static void rate_control_fill_sta_table(struct ieee80211_sta *sta, if (rates[i].idx < 0 || !rates[i].count) break; } + + rcu_read_unlock(); } static void rate_control_apply_mask(struct ieee80211_sub_if_data *sdata,
Copying the rate table should be done in an RCU read-side critical section. Signed-off-by: Calvin Owens <jcalvinowens@gmail.com> --- net/mac80211/rate.c | 4 ++++ 1 file changed, 4 insertions(+)