From 227bc24d675d80de1cfb3ab72891cc932dadbc3b Mon Sep 17 00:00:00 2001 From: Francois Romieu Date: Thu, 10 Jan 2008 23:25:30 +0100 Subject: [PATCH] ipg: balance locking in irq handler Spotted-by: Signed-off-by: Francois Romieu --- drivers/net/ipg.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/net/ipg.c b/drivers/net/ipg.c index dbd23bb6..cd1650e 100644 --- a/drivers/net/ipg.c +++ b/drivers/net/ipg.c @@ -1630,6 +1630,8 @@ static irqreturn_t ipg_interrupt_handler(int irq, void *dev_inst) #ifdef JUMBO_FRAME ipg_nic_rxrestore(dev); #endif + spin_lock(&sp->lock); + /* Get interrupt source information, and acknowledge * some (i.e. TxDMAComplete, RxDMAComplete, RxEarly, * IntRequested, MacControlFrame, LinkEvent) interrupts @@ -1647,9 +1649,7 @@ static irqreturn_t ipg_interrupt_handler(int irq, void *dev_inst) handled = 1; if (unlikely(!netif_running(dev))) - goto out; - - spin_lock(&sp->lock); + goto out_unlock; /* If RFDListEnd interrupt, restore all used RFDs. */ if (status & IPG_IS_RFD_LIST_END) { @@ -1733,9 +1733,9 @@ out_enable: ipg_w16(IPG_IE_TX_DMA_COMPLETE | IPG_IE_RX_DMA_COMPLETE | IPG_IE_HOST_ERROR | IPG_IE_INT_REQUESTED | IPG_IE_TX_COMPLETE | IPG_IE_LINK_EVENT | IPG_IE_UPDATE_STATS, INT_ENABLE); - +out_unlock: spin_unlock(&sp->lock); -out: + return IRQ_RETVAL(handled); } -- 2.7.4