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-rw-r--r--drivers/net/wireless/rtlwifi/pci.c16
1 files changed, 10 insertions, 6 deletions
diff --git a/drivers/net/wireless/rtlwifi/pci.c b/drivers/net/wireless/rtlwifi/pci.c
index c5f6a32..c503bd3 100644
--- a/drivers/net/wireless/rtlwifi/pci.c
+++ b/drivers/net/wireless/rtlwifi/pci.c
@@ -1148,10 +1148,12 @@ 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)
@@ -1175,12 +1177,14 @@ 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;
+ }
}
}