1 files changed, 9 insertions, 1 deletions

diff --git a/drivers/net/wireless/brcm80211/brcmsmac/main.c b/drivers/net/wireless/brcm80211/brcmsmac/main.c
index f7ed34034f88..f6affc6fd12a 100644
--- a/drivers/net/wireless/brcm80211/brcmsmac/main.c
+++ b/drivers/net/wireless/brcm80211/brcmsmac/main.c
@@ -7981,13 +7981,21 @@ int brcms_c_get_curband(struct brcms_c_info *wlc)
 
 void brcms_c_wait_for_tx_completion(struct brcms_c_info *wlc, bool drop)
 {
+        int timeout = 20;
+
         /* flush packet queue when requested */
         if (drop)
                 brcmu_pktq_flush(&wlc->pkt_queue->q, false, NULL, NULL);
 
         /* wait for queue and DMA fifos to run dry */
-        while (!pktq_empty(&wlc->pkt_queue->q) || brcms_txpktpendtot(wlc) > 0)
+        while (!pktq_empty(&wlc->pkt_queue->q) || brcms_txpktpendtot(wlc) > 0) {
                 brcms_msleep(wlc->wl, 1);
+
+                if (--timeout == 0)
+                        break;
+        }
+
+        WARN_ON_ONCE(timeout == 0);
 }
 
 void brcms_c_set_beacon_listen_interval(struct brcms_c_info *wlc, u8 interval)