dmi-id: fix a memory leak in dmi_id_init error path

[Axel Lin]

This patch adds a missing kfree(dmi_dev) in dmi_id_init error path.

Signed-off-by: Axel Lin <axel.lin@xxxxxxxxx>
Acked-by: Tejun Heo <tj@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>

---
 drivers/firmware/dmi-id.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

--- a/drivers/firmware/dmi-id.c
+++ b/drivers/firmware/dmi-id.c
@@ -229,10 +229,12 @@ static int __init dmi_id_init(void)
 
 	ret = device_register(dmi_dev);
 	if (ret)
-		goto fail_class_unregister;
+		goto fail_free_dmi_dev;
 
 	return 0;
 
+fail_free_dmi_dev:
+	kfree(dmi_dev);
 fail_class_unregister:
 
 	class_unregister(&dmi_class);

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