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irqchip/riscv-intc: Prevent memory leak when riscv_intc_init_common() fails 

[ Upstream commit 0110c4b110 ]

When riscv_intc_init_common() fails, the firmware node allocated is not
freed. Add the missing free().

Fixes: 7023b9d83f ("irqchip/riscv-intc: Add ACPI support")
Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Anup Patel <anup@brainfault.org>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20240527081113.616189-1-sunilvl@ventanamicro.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Sunil V L 2024-05-27 13:41:13 +05:30 committed by Greg Kroah-Hartman
parent 85ca483e72
commit 1c88d94a7a
1 changed files with 7 additions and 2 deletions
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9
drivers/irqchip/irq-riscv-intc.c
View File

@ -232,8 +232,9 @@ IRQCHIP_DECLARE(andes, "andestech,cpu-intc", riscv_intc_init);
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;
@ -252,7 +253,11 @@ static int __init riscv_intc_acpi_init(union acpi_subtable_headers *header,
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,