r8169: allocate with GFP_KERNEL flag when able to sleep
We have fedora bug report where driver fail to initialize after suspend/resume because of memory allocation errors: https://bugzilla.redhat.com/show_bug.cgi?id=629158 To fix use GFP_KERNEL allocation where possible. Tested-by: Neal Becker <ndbecker2@gmail.com> Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Acked-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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aeb19f6052
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@ -4000,7 +4000,7 @@ static inline void rtl8169_map_to_asic(struct RxDesc *desc, dma_addr_t mapping,
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static struct sk_buff *rtl8169_alloc_rx_skb(struct pci_dev *pdev,
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struct net_device *dev,
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struct RxDesc *desc, int rx_buf_sz,
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unsigned int align)
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unsigned int align, gfp_t gfp)
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{
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struct sk_buff *skb;
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dma_addr_t mapping;
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@ -4008,7 +4008,7 @@ static struct sk_buff *rtl8169_alloc_rx_skb(struct pci_dev *pdev,
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pad = align ? align : NET_IP_ALIGN;
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skb = netdev_alloc_skb(dev, rx_buf_sz + pad);
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skb = __netdev_alloc_skb(dev, rx_buf_sz + pad, gfp);
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if (!skb)
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goto err_out;
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@ -4039,7 +4039,7 @@ static void rtl8169_rx_clear(struct rtl8169_private *tp)
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}
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static u32 rtl8169_rx_fill(struct rtl8169_private *tp, struct net_device *dev,
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u32 start, u32 end)
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u32 start, u32 end, gfp_t gfp)
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{
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u32 cur;
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@ -4054,7 +4054,7 @@ static u32 rtl8169_rx_fill(struct rtl8169_private *tp, struct net_device *dev,
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skb = rtl8169_alloc_rx_skb(tp->pci_dev, dev,
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tp->RxDescArray + i,
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tp->rx_buf_sz, tp->align);
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tp->rx_buf_sz, tp->align, gfp);
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if (!skb)
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break;
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@ -4082,7 +4082,7 @@ static int rtl8169_init_ring(struct net_device *dev)
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memset(tp->tx_skb, 0x0, NUM_TX_DESC * sizeof(struct ring_info));
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memset(tp->Rx_skbuff, 0x0, NUM_RX_DESC * sizeof(struct sk_buff *));
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if (rtl8169_rx_fill(tp, dev, 0, NUM_RX_DESC) != NUM_RX_DESC)
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if (rtl8169_rx_fill(tp, dev, 0, NUM_RX_DESC, GFP_KERNEL) != NUM_RX_DESC)
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goto err_out;
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rtl8169_mark_as_last_descriptor(tp->RxDescArray + NUM_RX_DESC - 1);
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@ -4583,7 +4583,7 @@ static int rtl8169_rx_interrupt(struct net_device *dev,
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count = cur_rx - tp->cur_rx;
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tp->cur_rx = cur_rx;
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delta = rtl8169_rx_fill(tp, dev, tp->dirty_rx, tp->cur_rx);
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delta = rtl8169_rx_fill(tp, dev, tp->dirty_rx, tp->cur_rx, GFP_ATOMIC);
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if (!delta && count)
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netif_info(tp, intr, dev, "no Rx buffer allocated\n");
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tp->dirty_rx += delta;
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