From: Eric Lemoine <eric.lemoine@gmail.com>
Date: Fri, 2 Sep 2005 00:41:07 +0000 (-0700)
Subject: [SUNGEM]: Fix netpoll bug in Sun GEM Ether driver
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=86d9f7f0c9cf06d7d3cfa2a9f0514cf21fa5fda1;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

[SUNGEM]: Fix netpoll bug in Sun GEM Ether driver

From: Eric Lemoine <eric.lemoine@gmail.com>

To me the bug is that __LINK_STATE_RX_SCHED can be set while
__netif_rx_schedule() hasen't be called. Why don't fix it in the
simplest way ? See attached patch (absolutely untested).

Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/net/sungem.c b/drivers/net/sungem.c
index 2608e7a3d214..3f67a42e8503 100644
--- a/drivers/net/sungem.c
+++ b/drivers/net/sungem.c
@@ -948,6 +948,7 @@ static irqreturn_t gem_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 		u32 gem_status = readl(gp->regs + GREG_STAT);
 
 		if (gem_status == 0) {
+			netif_poll_enable(dev);
 			spin_unlock_irqrestore(&gp->lock, flags);
 			return IRQ_NONE;
 		}