[PATCH 2/6] irqchip/gic-v3-its: Fix memleak in its_probe_one()

[Kemeng Shi]

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

Signed-off-by: Kemeng Shi <shikemeng at huaweicloud.com>
---
 drivers/irqchip/irq-gic-v3-its.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c
index 2b7b546c43c8..df26ddc97ae2 100644
--- a/drivers/irqchip/irq-gic-v3-its.c
+++ b/drivers/irqchip/irq-gic-v3-its.c
@@ -3032,6 +3032,12 @@ static int its_alloc_collections(struct its_node *its)
 	return 0;
 }
 
+static void its_free_collections(struct its_node *its)
+{
+	kfree(its->collections);
+	its->collections = NULL;
+}
+
 static struct page *its_allocate_pending_table(gfp_t gfp_flags)
 {
 	struct page *pend_page;
@@ -5323,7 +5329,7 @@ static int __init its_probe_one(struct its_node *its)
 
 	err = its_init_domain(its);
 	if (err)
-		goto out_free_tables;
+		goto out_free_col;
 
 	raw_spin_lock(&its_lock);
 	list_add(&its->entry, &its_nodes);
@@ -5331,6 +5337,8 @@ static int __init its_probe_one(struct its_node *its)
 
 	return 0;
 
+out_free_col:
+	its_free_collections(its);
 out_free_tables:
 	its_free_tables(its);
 out_free_cmd:
-- 
2.36.1