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irqchip/riscv-intc: Prevent memory leak when riscv_intc_init_common() fails
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
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parent
c3f38fa61a
commit
0110c4b110
1 changed files with 7 additions and 2 deletions
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@ -253,8 +253,9 @@ IRQCHIP_DECLARE(andes, "andestech,cpu-intc", riscv_intc_init);
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static int __init riscv_intc_acpi_init(union acpi_subtable_headers *header,
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const unsigned long end)
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{
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struct fwnode_handle *fn;
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struct acpi_madt_rintc *rintc;
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struct fwnode_handle *fn;
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int rc;
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rintc = (struct acpi_madt_rintc *)header;
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@ -273,7 +274,11 @@ static int __init riscv_intc_acpi_init(union acpi_subtable_headers *header,
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return -ENOMEM;
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}
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return riscv_intc_init_common(fn, &riscv_intc_chip);
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rc = riscv_intc_init_common(fn, &riscv_intc_chip);
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if (rc)
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irq_domain_free_fwnode(fn);
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return rc;
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}
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IRQCHIP_ACPI_DECLARE(riscv_intc, ACPI_MADT_TYPE_RINTC, NULL,
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