Commit bf1e0fb6 authored by Jinjie Ruan's avatar Jinjie Ruan Committed by Thomas Gleixner
Browse files

genirq/msi: Use kmemdup_array() instead of kmemdup() 



Let kmemdup_array() take care about sizing instead of doing it open coded.

Signed-off-by: default avatarJinjie Ruan <ruanjinjie@huawei.com>
Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20240828072219.1249250-1-ruanjinjie@huawei.com
parent eb29369f

kernel/irq/msi.c

+1 −1
Original line number Diff line number Diff line
@@ -82,7 +82,7 @@ static struct msi_desc *msi_alloc_desc(struct device *dev, int nvec, 
	desc->dev = dev;

	desc->nvec_used = nvec;

	if (affinity) {

		desc->affinity = kmemdup(affinity, nvec * sizeof(*desc->affinity), GFP_KERNEL);

		desc->affinity = kmemdup_array(affinity, nvec, sizeof(*desc->affinity), GFP_KERNEL);

		if (!desc->affinity) {

			kfree(desc);

			return NULL;