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-rw-r--r--kernel/irq/irqdesc.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/irq/irqdesc.c b/kernel/irq/irqdesc.c
index 948b50e78549..906a67e58391 100644
--- a/kernel/irq/irqdesc.c
+++ b/kernel/irq/irqdesc.c
@@ -373,6 +373,7 @@ static struct irq_desc *alloc_desc(int irq, int node, unsigned int flags,
raw_spin_lock_init(&desc->lock);
lockdep_set_class(&desc->lock, &irq_desc_lock_class);
+ mutex_init(&desc->request_mutex);
init_rcu_head(&desc->rcu);
desc_set_defaults(irq, desc, node, affinity, owner);