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-rw-r--r--net/mac80211/rate.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/mac80211/rate.c b/net/mac80211/rate.c
index 809cf230d251..33f76993da08 100644
--- a/net/mac80211/rate.c
+++ b/net/mac80211/rate.c
@@ -329,6 +329,9 @@ void rate_control_get_rate(struct ieee80211_sub_if_data *sdata,
* if needed.
*/
for (i = 0; i < IEEE80211_TX_MAX_RATES; i++) {
+ /* Skip invalid rates */
+ if (info->control.rates[i].idx < 0)
+ break;
/* Rate masking supports only legacy rates for now */
if (info->control.rates[i].flags & IEEE80211_TX_RC_MCS)
continue;