1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/net/wireless/ath/dfs_pri_detector.c b/drivers/net/wireless/ath/dfs_pri_detector.c
index 43b608178884..1b5ad1965607 100644
--- a/drivers/net/wireless/ath/dfs_pri_detector.c
+++ b/drivers/net/wireless/ath/dfs_pri_detector.c
@@ -390,6 +390,10 @@ static struct pri_sequence *pri_detector_add_pulse(struct pri_detector *de,
         if ((ts - de->last_ts) < rs->max_pri_tolerance)
                 /* if delta to last pulse is too short, don't use this pulse */
                 return NULL;
+        /* radar detector spec needs chirp, but not detected */
+        if (rs->chirp && rs->chirp != event->chirp)
+                return NULL;
+
         de->last_ts = ts;
 
         max_updated_seq = pseq_handler_add_to_existing_seqs(de, ts);