interconnect: exynos: fix node leak in probe PM QoS error path

interconnect: exynos: fix node leak in probe PM QoS error path

commit b204bc6f289de9b7939910508bd0e7c8963a94e9 upstream.

Make sure to add the newly allocated interconnect node to the provider
before adding the PM QoS request so that the node is freed on errors.

Fixes: 9d76140dcd1c ("interconnect: Add generic interconnect driver for Exynos SoCs")
Cc: stable@vger.kernel.org      # 5.11
Cc: Sylwester Nawrocki <s.nawrocki@samsung.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://lore.kernel.org/r/20230306075651.2449-15-johan+linaro@kernel.org
Signed-off-by: Georgi Djakov <djakov@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>