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irqchip/riscv-rpmi-sysmsi: Fix mailbox channel leak in rpmi_sysmsi_probe()

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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: 4752b0cfbc ("irqchip/riscv-rpmi-sysmsi: Add ACPI support")
Signed-off-by: Felix Gu <ustc.gu@gmail.com>
Signed-off-by: Thomas Gleixner <tglx@kernel.org>
Cc: stable@vger.kernel.org
Reviewed-by: Rahul Pathak <rahul@summations.net>
Link: https://patch.msgid.link/20260315-sysmsi-v1-1-5f090c86c2ca@gmail.com
This commit is contained in:
Felix Gu
2026-03-17 11:16:15 +01:00
committed by Thomas Gleixner
parent f338e77383
commit 76f0930d6e
1 changed files with 1 additions and 0 deletions
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drivers/irqchip/irq-riscv-rpmi-sysmsi.c
+1
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@@ -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;
}