linux-kernel - [PATCH] genirq/irqdomain: Remove WARN

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Message-Id: <20190527115742.2693-1-geert+renesas@glider.be>
Date:   Mon, 27 May 2019 13:57:42 +0200
From:   Geert Uytterhoeven <geert+renesas@...der.be>
To:     Marc Zyngier <marc.zyngier@....com>,
        Thomas Gleixner <tglx@...utronix.de>
Cc:     linux-kernel@...r.kernel.org,
        Geert Uytterhoeven <geert+renesas@...der.be>
Subject: [PATCH] genirq/irqdomain: Remove WARN_ON() on out-of-memory condition

There is no need to print a backtrace when memory allocation fails, as
the memory allocation core already takes care of that.

Signed-off-by: Geert Uytterhoeven <geert+renesas@...der.be>
---
 kernel/irq/irqdomain.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c
index a453e229f99caf40..e7d17cc3a3d7bb76 100644
--- a/kernel/irq/irqdomain.c
+++ b/kernel/irq/irqdomain.c
@@ -139,7 +139,7 @@ struct irq_domain *__irq_domain_add(struct fwnode_handle *fwnode, int size,
 
 	domain = kzalloc_node(sizeof(*domain) + (sizeof(unsigned int) * size),
 			      GFP_KERNEL, of_node_to_nid(of_node));
-	if (WARN_ON(!domain))
+	if (!domain)
 		return NULL;
 
 	if (fwnode && is_fwnode_irqchip(fwnode)) {
-- 
2.17.1