1 files changed, 7 insertions, 0 deletions

diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c
index 4fd0c25aebf3..f52e92512f90 100644
--- a/drivers/net/wireless/rt2x00/rt2x00dev.c
+++ b/drivers/net/wireless/rt2x00/rt2x00dev.c
@@ -589,6 +589,13 @@ void rt2x00lib_rxdone(struct queue_entry *entry,
                 }
         }
 
+        if (idx < 0) {
+                WARNING(rt2x00dev, "Frame received with unrecognized signal,"
+                        "signal=0x%.2x, plcp=%d.\n", rxdesc->signal,
+                        !!(rxdesc->dev_flags & RXDONE_SIGNAL_PLCP));
+                idx = 0;
+        }
+
         /*
          * Only update link status if this is a beacon frame carrying our bssid.
          */