Commit 76f0930d authored by Felix Gu's avatar Felix Gu Committed by Thomas Gleixner
Browse files

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: 4752b0cf ("irqchip/riscv-rpmi-sysmsi: Add ACPI support")
Signed-off-by: default avatarFelix Gu <ustc.gu@gmail.com>
Signed-off-by: default avatarThomas Gleixner <tglx@kernel.org>
Cc: stable@vger.kernel.org
Reviewed-by: default avatarRahul Pathak <rahul@summations.net>
Link: https://patch.msgid.link/20260315-sysmsi-v1-1-5f090c86c2ca@gmail.com
parent f338e773

drivers/irqchip/irq-riscv-rpmi-sysmsi.c

+1 −0
Original line number Diff line number Diff line
@@ -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;

		}