[PATCH 2/7] irqchip/gic-v5: Check for NULL LPI domain on domain teardown
Lorenzo Pieralisi <[email protected]>
| Newsgroups | org.infradead.lists.linux-arm-kernel,org.kernel.vger.linux-kernel |
|---|---|
| Message-ID | <[email protected]> |
In gicv5_free_lpi_domain() the LPI domain being freed can be NULL.
Check it and return before trying to free it if it is.
Fixes: 0f0101325876 ("irqchip/gic-v5: Add GICv5 LPI/IPI support")
Signed-off-by: Lorenzo Pieralisi <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: Marc Zyngier <[email protected]>
Link: https://sashiko.dev/#/message/20260810104747.E5CE71F000E9%40smtp.kernel.org
---
drivers/irqchip/irq-gic-v5.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/irqchip/irq-gic-v5.c b/drivers/irqchip/irq-gic-v5.c
index 6a99c541b559..a7fae93e993e 100644
--- a/drivers/irqchip/irq-gic-v5.c
+++ b/drivers/irqchip/irq-gic-v5.c
@@ -862,6 +862,9 @@ void __init gicv5_init_lpi_domain(void)
void __init gicv5_free_lpi_domain(void)
{
+ if (!gicv5_global_data.lpi_domain)
+ return;
+
irq_domain_remove(gicv5_global_data.lpi_domain);
gicv5_global_data.lpi_domain = NULL;
}
--
2.53.0