diff options
| -rw-r--r-- | drivers/net/wireless/rtlwifi/pci.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/drivers/net/wireless/rtlwifi/pci.c b/drivers/net/wireless/rtlwifi/pci.c index c872a232427f..6c56198e26b5 100644 --- a/drivers/net/wireless/rtlwifi/pci.c +++ b/drivers/net/wireless/rtlwifi/pci.c @@ -1180,10 +1180,12 @@ static void _rtl_pci_free_tx_ring(struct ieee80211_hw *hw, ring->idx = (ring->idx + 1) % ring->entries; } - pci_free_consistent(rtlpci->pdev, - sizeof(*ring->desc) * ring->entries, - ring->desc, ring->dma); - ring->desc = NULL; + if (ring->desc) { + pci_free_consistent(rtlpci->pdev, + sizeof(*ring->desc) * ring->entries, + ring->desc, ring->dma); + ring->desc = NULL; + } } static void _rtl_pci_free_rx_ring(struct rtl_pci *rtlpci) @@ -1207,12 +1209,14 @@ static void _rtl_pci_free_rx_ring(struct rtl_pci *rtlpci) kfree_skb(skb); } - pci_free_consistent(rtlpci->pdev, + if (rtlpci->rx_ring[rx_queue_idx].desc) { + pci_free_consistent(rtlpci->pdev, sizeof(*rtlpci->rx_ring[rx_queue_idx]. desc) * rtlpci->rxringcount, rtlpci->rx_ring[rx_queue_idx].desc, rtlpci->rx_ring[rx_queue_idx].dma); - rtlpci->rx_ring[rx_queue_idx].desc = NULL; + rtlpci->rx_ring[rx_queue_idx].desc = NULL; + } } } |