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path: root/drivers/net/wireless/ath/ath10k/txrx.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath10k/txrx.c')
-rw-r--r--drivers/net/wireless/ath/ath10k/txrx.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/net/wireless/ath/ath10k/txrx.c b/drivers/net/wireless/ath/ath10k/txrx.c
index 7579de8e7a8c..3f00cec8aef5 100644
--- a/drivers/net/wireless/ath/ath10k/txrx.c
+++ b/drivers/net/wireless/ath/ath10k/txrx.c
@@ -64,7 +64,13 @@ void ath10k_txrx_tx_unref(struct ath10k_htt *htt,
return;
}
- msdu = htt->pending_tx[tx_done->msdu_id];
+ msdu = idr_find(&htt->pending_tx, tx_done->msdu_id);
+ if (!msdu) {
+ ath10k_warn(ar, "received tx completion for invalid msdu_id: %d\n",
+ tx_done->msdu_id);
+ return;
+ }
+
skb_cb = ATH10K_SKB_CB(msdu);
dma_unmap_single(dev, skb_cb->paddr, msdu->len, DMA_TO_DEVICE);
@@ -95,7 +101,6 @@ void ath10k_txrx_tx_unref(struct ath10k_htt *htt,
/* we do not own the msdu anymore */
exit:
- htt->pending_tx[tx_done->msdu_id] = NULL;
ath10k_htt_tx_free_msdu_id(htt, tx_done->msdu_id);
__ath10k_htt_tx_dec_pending(htt);
if (htt->num_pending_tx == 0)