of: unittest: Add of_node_put() before return
The local variable np in function of_unittest_platform_populate takes the return value of of_find_node_by_path, which gets a node but does not put it. If np is not put before return it may cause a memory leak. Hence put np before a return statement. Issue found with Coccinelle. Signed-off-by: Nishka Dasgupta <nishkadg.linux@gmail.com> Signed-off-by: Rob Herring <robh@kernel.org>
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