Message ID | 1396350948-29910-10-git-send-email-luis.henriques@canonical.com |
---|---|
State | New |
Headers | show |
diff --git a/drivers/net/wireless/mwifiex/pcie.c b/drivers/net/wireless/mwifiex/pcie.c index 20c9c4c..1662b99 100644 --- a/drivers/net/wireless/mwifiex/pcie.c +++ b/drivers/net/wireless/mwifiex/pcie.c @@ -1195,6 +1195,12 @@ static int mwifiex_pcie_process_recv_data(struct mwifiex_adapter *adapter) rd_index = card->rxbd_rdptr & reg->rx_mask; skb_data = card->rx_buf_list[rd_index]; + /* If skb allocation was failed earlier for Rx packet, + * rx_buf_list[rd_index] would have been left with a NULL. + */ + if (!skb_data) + return -ENOMEM; + MWIFIEX_SKB_PACB(skb_data, &buf_pa); pci_unmap_single(card->dev, buf_pa, MWIFIEX_RX_DATA_BUF_SIZE, PCI_DMA_FROMDEVICE);