[PATCH next] irqchip/ls-scfg-msi: Fix NULL dereference in error handling
From: Dan Carpenter
Date: Wed Jul 16 2025 - 15:44:35 EST
The call to irq_domain_remove(msi_data->parent); was accidentally left
behind during a code refactor. It's not necessary to free
"msi_data->parent" because it is NULL and, in fact, trying to free it
will lead to a NULL pointer dereference. Delete the unnecessary code.
Fixes: 94b59d5f567a ("irqchip/ls-scfg-msi: Switch to use msi_create_parent_irq_domain()")
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
---
drivers/irqchip/irq-ls-scfg-msi.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/drivers/irqchip/irq-ls-scfg-msi.c b/drivers/irqchip/irq-ls-scfg-msi.c
index 7eca751d6548..4910f364e568 100644
--- a/drivers/irqchip/irq-ls-scfg-msi.c
+++ b/drivers/irqchip/irq-ls-scfg-msi.c
@@ -226,7 +226,6 @@ static int ls_scfg_msi_domains_init(struct ls_scfg_msi *msi_data)
msi_data->parent = msi_create_parent_irq_domain(&info, &ls_scfg_msi_parent_ops);
if (!msi_data->parent) {
dev_err(&msi_data->pdev->dev, "failed to create MSI domain\n");
- irq_domain_remove(msi_data->parent);
return -ENOMEM;
}
--
2.47.2