[tip: irq/drivers] irqchip/gic-v3-its: Fix memleak in its_probe_one()

[tip-bot2 for Kemeng Shi]

The following commit has been merged into the irq/drivers branch of tip:

Commit-ID:     1efffab6fe336a5c4fd3c2886f255cd2f998e65f
Gitweb:        https://git.kernel.org/tip/1efffab6fe336a5c4fd3c2886f255cd2f998e65f
Author:        Kemeng Shi <shikemeng@xxxxxxxxxxxxxxx>
AuthorDate:    Thu, 02 Jul 2026 11:30:45 +08:00
Committer:     Thomas Gleixner <tglx@xxxxxxxxxx>
CommitterDate: Tue, 07 Jul 2026 22:49:37 +02:00

irqchip/gic-v3-its: Fix memleak in its_probe_one()

Fix collection leak when its_init_domain() failed in its_probe_one().

Fixes: 4c21f3c26ecc2 ("irqchip: GICv3: ITS: DT probing and initialization")
Signed-off-by: Kemeng Shi <shikemeng@xxxxxxxxxxxxxxx>
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxx>
Reviewed-by: Radu Rendec <radu@xxxxxxxxxx>
Link: https://patch.msgid.link/20260702033050.1583-2-shikemeng@xxxxxxxxxxxxxxx
---
 drivers/irqchip/irq-gic-v3-its.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c
index b57d81a..1ab6fc7 100644
--- a/drivers/irqchip/irq-gic-v3-its.c
+++ b/drivers/irqchip/irq-gic-v3-its.c
@@ -5322,7 +5322,7 @@ static int __init its_probe_one(struct its_node *its)
 
 	err = its_init_domain(its);
 	if (err)
-		goto out_free_tables;
+		goto out_free_collection;
 
 	raw_spin_lock(&its_lock);
 	list_add(&its->entry, &its_nodes);
@@ -5330,6 +5330,8 @@ static int __init its_probe_one(struct its_node *its)
 
 	return 0;
 
+out_free_collection:
+	kfree(its->collections);
 out_free_tables:
 	its_free_tables(its);
 out_free_cmd: