[PATCH 2/2] kernel: irq: add must_hold() annotation

[Jules Irenge]

Add __must_hold() annotation to remove issue detected by sparse tool.
warning: context imbalance in irq_wait_for_poll - unexpected unlock

Signed-off-by: Jules Irenge <jbi.octave@xxxxxxxxx>
---
 kernel/irq/spurious.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/kernel/irq/spurious.c b/kernel/irq/spurious.c
index 2ed97a7c9b2a..f865e5f4d382 100644
--- a/kernel/irq/spurious.c
+++ b/kernel/irq/spurious.c
@@ -34,6 +34,7 @@ static atomic_t irq_poll_active;
  * true and let the handler run.
  */
 bool irq_wait_for_poll(struct irq_desc *desc)
+	__must_hold(&desc->lock)
 {
 	if (WARN_ONCE(irq_poll_cpu == smp_processor_id(),
 		      "irq poll in progress on cpu %d for irq %d\n",
-- 
2.23.0