From: Sunil V L <sunilvl@xxxxxxxxxxxxxxxx>
commit 0110c4b110477bb1f19b0d02361846be7ab08300 upstream.
When riscv_intc_init_common() fails, the firmware node allocated is not
freed. Add the missing free().
Fixes: 7023b9d83f03 ("irqchip/riscv-intc: Add ACPI support")
Signed-off-by: Sunil V L <sunilvl@xxxxxxxxxxxxxxxx>
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Reviewed-by: Anup Patel <anup@xxxxxxxxxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
Link: https://lore.kernel.org/r/20240527081113.616189-1-sunilvl@xxxxxxxxxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/irqchip/irq-riscv-intc.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
--- a/drivers/irqchip/irq-riscv-intc.c
+++ b/drivers/irqchip/irq-riscv-intc.c
@@ -253,8 +253,9 @@ IRQCHIP_DECLARE(andes, "andestech,cpu-in
static int __init riscv_intc_acpi_init(union acpi_subtable_headers *header,
const unsigned long end)
{
- struct fwnode_handle *fn;
struct acpi_madt_rintc *rintc;
+ struct fwnode_handle *fn;
+ int rc;
rintc = (struct acpi_madt_rintc *)header;
@@ -273,7 +274,11 @@ static int __init riscv_intc_acpi_init(u
return -ENOMEM;
}
- return riscv_intc_init_common(fn, &riscv_intc_chip);
+ rc = riscv_intc_init_common(fn, &riscv_intc_chip);
+ if (rc)
+ irq_domain_free_fwnode(fn);
+
+ return rc;
}
IRQCHIP_ACPI_DECLARE(riscv_intc, ACPI_MADT_TYPE_RINTC, NULL,
Patches currently in stable-queue which might be from sunilvl@xxxxxxxxxxxxxxxx are
queue-6.9/irqchip-riscv-intc-prevent-memory-leak-when-riscv_intc_init_common-fails.patch
