From ad123af8177728a5c6c8ce4ececa595e6d1a5323 Mon Sep 17 00:00:00 2001 From: Felix Gu Date: Sun, 15 Mar 2026 15:17:54 +0800 Subject: [PATCH] irqchip/riscv-rpmi-sysmsi: Fix mailbox channel leak in rpmi_sysmsi_probe() When riscv_acpi_get_gsi_info() fails, the mailbox channel previously requested via mbox_request_channel() is not freed. Add the missing mbox_free_channel() call to prevent the resource leak. Fixes: 4752b0cfbc37 ("irqchip/riscv-rpmi-sysmsi: Add ACPI support") Signed-off-by: Felix Gu Signed-off-by: Linux RISC-V bot --- drivers/irqchip/irq-riscv-rpmi-sysmsi.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/irqchip/irq-riscv-rpmi-sysmsi.c b/drivers/irqchip/irq-riscv-rpmi-sysmsi.c index 5c74c561ce3161..612f3972f7af03 100644 --- a/drivers/irqchip/irq-riscv-rpmi-sysmsi.c +++ b/drivers/irqchip/irq-riscv-rpmi-sysmsi.c @@ -250,6 +250,7 @@ static int rpmi_sysmsi_probe(struct platform_device *pdev) rc = riscv_acpi_get_gsi_info(fwnode, &priv->gsi_base, &id, &nr_irqs, NULL); if (rc) { + mbox_free_channel(priv->chan); dev_err(dev, "failed to find GSI mapping\n"); return rc; }