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irqchip/gic-v5: Check for NULL LPI domain on domain teardown

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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: 0f01013258 ("irqchip/gic-v5: Add GICv5 LPI/IPI support")
Signed-off-by: Lorenzo Pieralisi <lpieralisi@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@kernel.org>
Link: https://sashiko.dev/#/message/20260810104747.E5CE71F000E9%40smtp.kernel.org
Link: https://patch.msgid.link/20260812-gicv5-7-2-fixes-v1-2-3743e82c69a4@kernel.org
This commit is contained in:
Lorenzo Pieralisi 2026-08-12 11:10:30 +02:00 committed by Thomas Gleixner
parent 328affc639
commit aa079dbf4c
1 changed files with 3 additions and 0 deletions
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3
drivers/irqchip/irq-gic-v5.c
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@ -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;
}