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[ Upstream commit aae7a2876c3b39d07aa7655ea082af8e7862f3a5 ] Unlike all the other allocations in this driver, the memory for storing the pin function descriptions allocated with kcalloc() and later resized with krealloc() is never freed. Use devres like elsewhere to handle that. While at it - replace krealloc() with more suitable devm_krealloc_array(). Note: the logic in this module is pretty convoluted and could probably use some revisiting, we should probably be able to calculate the exact amount of memory needed in advance or even skip the allocation altogether and just add each function to the radix tree separately. Tested-by: Neil Armstrong <neil.armstrong@linaro.org> Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Sasha Levin <sashal@kernel.org>