From mboxrd@z Thu Jan 1 00:00:00 1970 From: Denis Efremov Subject: [PATCH] forcedeth: spin_unlock_irq in interrupt handler fix Date: Sat, 21 Jul 2012 01:54:34 +0400 Message-ID: <1342821274-20623-1-git-send-email-yefremov.denis@gmail.com> Cc: Denis Efremov , David Decotigny , Eric Dumazet , Jiri Pirko , Ian Campbell , netdev@vger.kernel.org, linux-kernel@vger.kernel.org To: "David S. Miller" Return-path: Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org The replacement of spin_lock_irq/spin_unlock_irq pair in interrupt handler by spin_lock_irqsave/spin_lock_irqrestore pair. Found by Linux Driver Verification project (linuxtesting.org). Signed-off-by: Denis Efremov --- drivers/net/ethernet/nvidia/forcedeth.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/nvidia/forcedeth.c b/drivers/net/ethernet/nvidia/forcedeth.c index 928913c..7e68c00 100644 --- a/drivers/net/ethernet/nvidia/forcedeth.c +++ b/drivers/net/ethernet/nvidia/forcedeth.c @@ -3776,7 +3776,7 @@ static irqreturn_t nv_nic_irq_other(int foo, void *data) np->link_timeout = jiffies + LINK_TIMEOUT; } if (events & NVREG_IRQ_RECOVER_ERROR) { - spin_lock_irq(&np->lock); + spin_lock_irqsave(&np->lock, flags); /* disable interrupts on the nic */ writel(NVREG_IRQ_OTHER, base + NvRegIrqMask); pci_push(base); @@ -3786,7 +3786,7 @@ static irqreturn_t nv_nic_irq_other(int foo, void *data) np->recover_error = 1; mod_timer(&np->nic_poll, jiffies + POLL_WAIT); } - spin_unlock_irq(&np->lock); + spin_unlock_irqrestore(&np->lock, flags); break; } if (unlikely(i > max_interrupt_work)) { -- 1.7.7