[PATCH 6.1 0733/1146] mcb: mcb-parse: fix error handing in chameleon_parse_gdd()

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From: Yang Yingliang <yangyingliang@xxxxxxxxxx>

[ Upstream commit 728ac3389296caf68638628c987aeae6c8851e2d ]

If mcb_device_register() returns error in chameleon_parse_gdd(), the refcount
of bus and device name are leaked. Fix this by calling put_device() to give up
the reference, so they can be released in mcb_release_dev() and kobject_cleanup().

Fixes: 3764e82e5150 ("drivers: Introduce MEN Chameleon Bus")
Reviewed-by: Johannes Thumshirn <jth@xxxxxxxxxx>
Signed-off-by: Yang Yingliang <yangyingliang@xxxxxxxxxx>
Signed-off-by: Johannes Thumshirn <jth@xxxxxxxxxx>
Link: https://lore.kernel.org/r/ebfb06e39b19272f0197fa9136b5e4b6f34ad732.1669624063.git.johannes.thumshirn@xxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 drivers/mcb/mcb-parse.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mcb/mcb-parse.c b/drivers/mcb/mcb-parse.c
index 0266bfddfbe2..aa6938da0db8 100644
--- a/drivers/mcb/mcb-parse.c
+++ b/drivers/mcb/mcb-parse.c
@@ -108,7 +108,7 @@ static int chameleon_parse_gdd(struct mcb_bus *bus,
 	return 0;
 
 err:
-	mcb_free_dev(mdev);
+	put_device(&mdev->dev);
 
 	return ret;
 }
-- 
2.35.1






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