Copying the rate table should be done in an RCU read-side critical
section.
Signed-off-by: Calvin Owens <jcalvinow...@gmail.com>
---
net/mac80211/rate.c | 4 ++++
1 file changed, 4 insertions(+)
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,
--
1.8.2.1
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