From: Thomas Gleixner <tglx@linutronix.de>
Date: Fri, 9 May 2025 18:37:54 +0000 (+0200)
Subject: genirq: Fix inverted condition in handle_nested_irq()
X-Git-Tag: v6.16-rc1~189^2~6
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=c1ab449df871d6ce9189cb0a9efcd37d2ead10f0;p=thirdparty%2Fkernel%2Flinux.git

genirq: Fix inverted condition in handle_nested_irq()

Marek reported that the rework of handle_nested_irq() introduced a inverted
condition, which prevents handling of interrupts. Fix it up.

Fixes: 2ef2e13094c7 ("genirq/chip: Rework handle_nested_irq()")
Reported-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Closes: https://lore.kernel/org/all/46ed4040-ca11-4157-8bd7-13c04c113734@samsung.com
---

diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
index 865cf74a9ab51..1d45c84d7356b 100644
--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -497,7 +497,7 @@ void handle_nested_irq(unsigned int irq)
 	might_sleep();
 
 	scoped_guard(raw_spinlock_irq, &desc->lock) {
-		if (irq_can_handle_actions(desc))
+		if (!irq_can_handle_actions(desc))
 			return;
 
 		action = desc->action;