lkml.org 
[lkml]   [2012]   [Jul]   [20]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH] forcedeth: spin_unlock_irq in interrupt handler fix
Date
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 <yefremov.denis@gmail.com>
---
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


\
 
 \ /
  Last update: 2012-07-21 00:41    [W:0.074 / U:0.028 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site