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    Subject[PATCH 4.4 01/92] 8139too: Use disable_irq_nosync() in rtl8139_poll_controller()
    Date
    4.4-stable review patch.  If anyone has any objections, please let me know.

    ------------------

    From: Ingo Molnar <mingo@elte.hu>

    [ Upstream commit af3e0fcf78879f718c5f73df0814951bd7057d34 ]

    Use disable_irq_nosync() instead of disable_irq() as this might be
    called in atomic context with netpoll.

    Signed-off-by: Ingo Molnar <mingo@elte.hu>
    Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
    Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
    Signed-off-by: David S. Miller <davem@davemloft.net>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
    ---
    drivers/net/ethernet/realtek/8139too.c | 2 +-
    1 file changed, 1 insertion(+), 1 deletion(-)

    --- a/drivers/net/ethernet/realtek/8139too.c
    +++ b/drivers/net/ethernet/realtek/8139too.c
    @@ -2229,7 +2229,7 @@ static void rtl8139_poll_controller(stru
    struct rtl8139_private *tp = netdev_priv(dev);
    const int irq = tp->pci_dev->irq;

    - disable_irq(irq);
    + disable_irq_nosync(irq);
    rtl8139_interrupt(irq, dev);
    enable_irq(irq);
    }

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