[tip:irq/core] genirq/irqdomain: Remove WARN_ON() on out-of-memory condition

[tip-bot for Geert Uytterhoeven]

Commit-ID:  43b98d876f89dce732f50b71607b6d2bbb8d8e6a
Gitweb:     https://git.kernel.org/tip/43b98d876f89dce732f50b71607b6d2bbb8d8e6a
Author:     Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
AuthorDate: Mon, 27 May 2019 13:57:42 +0200
Committer:  Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitDate: Tue, 28 May 2019 13:10:55 -0700

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@xxxxxxxxx>
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Marc Zyngier <marc.zyngier@xxxxxxx>
Link: https://lkml.kernel.org/r/20190527115742.2693-1-geert+renesas@xxxxxxxxx

---
 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 a453e229f99c..e7d17cc3a3d7 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)) {