summaryrefslogtreecommitdiff
path: root/kernel/irq/handle.c
diff options
context:
space:
mode:
authorLinus Walleij <linus.walleij@linaro.org>2016-03-09 17:40:37 +0700
committerLinus Walleij <linus.walleij@linaro.org>2016-03-09 17:40:37 +0700
commit0bae2f17323a4630c487a9b77c37bebf407424af (patch)
treefc1f71a0209ec61841a5acb65d59d147af3cc4fa /kernel/irq/handle.c
parentadf32eaa05323449b74b36f25b918583e2bdb6f1 (diff)
parentca801a22f465eae39fadc770e15b5b7e82595f81 (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.c5
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);