8139too: Use disable_irq_nosync() in rtl8139_poll_controller()
authorIngo Molnar <mingo@elte.hu>
Wed, 2 May 2018 11:30:57 +0000 (13:30 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sat, 19 May 2018 08:20:22 +0000 (10:20 +0200)
[ 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

index d24b47b8e0b27e0f44243f5a1011779c0ebd09f9..d118da5a10a2059df4255d46a2652714f5c44a93 100644 (file)
@@ -2224,7 +2224,7 @@ static void rtl8139_poll_controller(struct net_device *dev)
        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);
 }