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author | Linus Walleij <linus.walleij@linaro.org> | 2016-03-09 17:40:37 +0700 |
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committer | Linus Walleij <linus.walleij@linaro.org> | 2016-03-09 17:40:37 +0700 |
commit | 0bae2f17323a4630c487a9b77c37bebf407424af (patch) | |
tree | fc1f71a0209ec61841a5acb65d59d147af3cc4fa /kernel/irq/handle.c | |
parent | adf32eaa05323449b74b36f25b918583e2bdb6f1 (diff) | |
parent | ca801a22f465eae39fadc770e15b5b7e82595f81 (diff) |
Merge branch 'ib-mfd-regulator-gpio-4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd into devel
Diffstat (limited to 'kernel/irq/handle.c')
-rw-r--r-- | kernel/irq/handle.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c index a302cf9a2126..57bff7857e87 100644 --- a/kernel/irq/handle.c +++ b/kernel/irq/handle.c @@ -138,7 +138,8 @@ irqreturn_t handle_irq_event_percpu(struct irq_desc *desc) unsigned int flags = 0, irq = desc->irq_data.irq; struct irqaction *action = desc->action; - do { + /* action might have become NULL since we dropped the lock */ + while (action) { irqreturn_t res; trace_irq_handler_entry(irq, action); @@ -173,7 +174,7 @@ irqreturn_t handle_irq_event_percpu(struct irq_desc *desc) retval |= res; action = action->next; - } while (action); + } add_interrupt_randomness(irq, flags); |