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    Subject[PATCH 1/4 linux-next] net: fec: use container_of to resolve bufdesc_ex from bufdesc
    Date
    Use container_of instead of casting first structure member.

    ARM cross-compiled but untested.

    Signed-off-by: Fabian Frederick <fabf@skynet.be>
    ---
    drivers/net/ethernet/freescale/fec_main.c | 4 ++--
    1 file changed, 2 insertions(+), 2 deletions(-)

    diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
    index 89355a7..f1a99d2 100644
    --- a/drivers/net/ethernet/freescale/fec_main.c
    +++ b/drivers/net/ethernet/freescale/fec_main.c
    @@ -572,7 +572,7 @@ fec_enet_txq_put_data_tso(struct sk_buff *skb, struct net_device *ndev,
    struct fec_enet_private *fep = netdev_priv(ndev);
    const struct platform_device_id *id_entry =
    platform_get_device_id(fep->pdev);
    - struct bufdesc_ex *ebdp = (struct bufdesc_ex *)bdp;
    + struct bufdesc_ex *ebdp = container_of(bdp, struct bufdesc_ex, desc);
    unsigned short status;
    unsigned int estatus = 0;
    dma_addr_t addr;
    @@ -631,7 +631,7 @@ fec_enet_txq_put_hdr_tso(struct sk_buff *skb, struct net_device *ndev,
    const struct platform_device_id *id_entry =
    platform_get_device_id(fep->pdev);
    int hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
    - struct bufdesc_ex *ebdp = (struct bufdesc_ex *)bdp;
    + struct bufdesc_ex *ebdp = container_of(bdp, struct bufdesc_ex, desc);
    void *bufaddr;
    unsigned long dmabuf;
    unsigned short status;
    --
    1.8.4.5


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