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of/irq: Fix OF node refcount in of_msi_get_domain()

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In of_msi_get_domain() if the iterator loop stops early because an
irq_domain match is detected, an of_node_put() on the iterator node is
needed to keep the OF node refcount in sync.

Add it.

Signed-off-by: Lorenzo Pieralisi <lpieralisi@kernel.org>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Cc: Rob Herring <robh@kernel.org>
Link: https://patch.msgid.link/20251021124103.198419-3-lpieralisi@kernel.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
This commit is contained in:
Lorenzo Pieralisi 2025-10-21 14:41:00 +02:00 committed by Rob Herring (Arm)
parent 119aaeed0b
commit c71af4d6d5
1 changed files with 3 additions and 1 deletions
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4
drivers/of/irq.c
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@ -774,8 +774,10 @@ struct irq_domain *of_msi_get_domain(struct device *dev,
of_for_each_phandle(&it, err, np, "msi-parent", "#msi-cells", 0) {
d = irq_find_matching_host(it.node, token);
if (d)
if (d) {
of_node_put(it.node);
return d;
}
}
return NULL;