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-rw-r--r--kernel/irq/manage.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index c65f282cbc9a..6a1bf9dc7a6a 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -1289,7 +1289,7 @@ __setup_irq(unsigned int irq, struct irq_desc *desc, struct irqaction *new)
* thread_mask assigned. See the loop above which or's
* all existing action->thread_mask bits.
*/
- new->thread_mask = 1 << ffz(thread_mask);
+ new->thread_mask = 1UL << ffz(thread_mask);
} else if (new->handler == irq_default_primary_handler &&
!(desc->irq_data.chip->flags & IRQCHIP_ONESHOT_SAFE)) {