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From: "irqchip-bot for Marc Zyngier" <>
Cc: Marc Zyngier <>,
Subject: [irqchip: irq/irqchip-next] irqdomain: Use struct_size() helper when allocating irqdomain
Date: Fri, 11 Jun 2021 13:54:37 -0000	[thread overview]
Message-ID: <162341967792.19906.9023367566774457383.tip-bot2@tip-bot2> (raw)

The following commit has been merged into the irq/irqchip-next branch of irqchip:

Commit-ID:     426fa316148bccabf48f9c91a13c387ee911eadc
Author:        Marc Zyngier <>
AuthorDate:    Mon, 05 Apr 2021 11:30:51 +01:00
Committer:     Marc Zyngier <>
CommitterDate: Thu, 10 Jun 2021 13:09:17 +01:00

irqdomain: Use struct_size() helper when allocating irqdomain

Instead of open-coding the size computation of struct irqdomain,
use the struct_size() helper instead.

This is going to be handy as we change the type of the revmap

Signed-off-by: Marc Zyngier <>
 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 fa94c86..cdcb198 100644
--- a/kernel/irq/irqdomain.c
+++ b/kernel/irq/irqdomain.c
@@ -150,7 +150,7 @@ struct irq_domain *__irq_domain_add(struct fwnode_handle *fwnode, int size,
 		    (!IS_ENABLED(CONFIG_IRQ_DOMAIN_NOMAP) && direct_max)))
 		return NULL;
-	domain = kzalloc_node(sizeof(*domain) + (sizeof(unsigned int) * size),
+	domain = kzalloc_node(struct_size(domain, revmap, size),
 			      GFP_KERNEL, of_node_to_nid(to_of_node(fwnode)));
 	if (!domain)
 		return NULL;

             reply	other threads:[~2021-06-11 13:55 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-11 13:54 irqchip-bot for Marc Zyngier [this message]
  -- strict thread matches above, loose matches on Subject: below --
2021-06-06 12:43 irqchip-bot for Marc Zyngier

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