__irq_put_desc_unlock() releases &desc->lock, but being a static
analyzer, sparse emits a warning:
context imbalance in '__irq_put_desc_unlock' - unexpected unlock
Help it by annotating the function with a __release. Do not annotate
its counterpart which acquires the lock, __irq_get_desc_lock(), because
it does so conditionally.
Cc: Thomas Gleixner <t...@linutronix.de>
Signed-off-by: Ramkumar Ramachandra <artag...@gmail.com>
---
kernel/irq/irqdesc.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/kernel/irq/irqdesc.c b/kernel/irq/irqdesc.c
index 192a302..d6bc26a 100644
--- a/kernel/irq/irqdesc.c
+++ b/kernel/irq/irqdesc.c
@@ -449,6 +449,7 @@ __irq_get_desc_lock(unsigned int irq, unsigned long *flags,
bool bus,
}
void __irq_put_desc_unlock(struct irq_desc *desc, unsigned long flags, bool
bus)
+ __releases(&desc->lock)
{
raw_spin_unlock_irqrestore(&desc->lock, flags);
if (bus)
--
1.8.3.2.733.gf8abaeb
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