[PATCH] forcedeth: spin_unlock_irq in interrupt handler fix
From: Denis Efremov <hidden>
Date: 2012-07-20 21:51:56
Also in:
lkml
Subsystem:
forcedeth gigabit ethernet driver, networking drivers, the rest · Maintainers:
Rain River, Zhu Yanjun, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
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 <redacted> --- 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