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-rw-r--r--sys/dev/ral/rt2661.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/sys/dev/ral/rt2661.c b/sys/dev/ral/rt2661.c
index 408a6f2..74b2856 100644
--- a/sys/dev/ral/rt2661.c
+++ b/sys/dev/ral/rt2661.c
@@ -962,6 +962,10 @@ rt2661_tx_intr(struct rt2661_softc *sc)
data = &txq->data[txq->stat];
rn = (struct rt2661_node *)data->ni;
+ /* if no frame has been sent, ignore */
+ if (rn == NULL)
+ continue;
+
switch (RT2661_TX_RESULT(val)) {
case RT2661_TX_SUCCESS:
retrycnt = RT2661_TX_RETRYCNT(val);
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