The following commit has been merged into the irq/core branch of tip:
Commit-ID: bf1e0fb69a15fac4d6ee71d0e1c715147add986a
Gitweb: https://git.kernel.org/tip/bf1e0fb69a15fac4d6ee71d0e1c715147add986a
Author: Jinjie Ruan <ruanjinjie@xxxxxxxxxx>
AuthorDate: Wed, 28 Aug 2024 15:22:19 +08:00
Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitterDate: Thu, 29 Aug 2024 16:42:07 +02:00
genirq/msi: Use kmemdup_array() instead of kmemdup()
Let kmemdup_array() take care about sizing instead of doing it open coded.
Signed-off-by: Jinjie Ruan <ruanjinjie@xxxxxxxxxx>
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Link: https://lore.kernel.org/all/20240828072219.1249250-1-ruanjinjie@xxxxxxxxxx
---
kernel/irq/msi.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/irq/msi.c b/kernel/irq/msi.c
index 5fa0547..1c7e515 100644
--- a/kernel/irq/msi.c
+++ b/kernel/irq/msi.c
@@ -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;
|