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pdesc could be null but still dereference pdesc->name and it will lead to a null pointer access. So we move a null check before dereference. Signed-off-by: Haowen Bai <baihaowen@meizu.com> Link: https://lore.kernel.org/r/1650508019-22554-1-git-send-email-baihaowen@meizu.com Signed-off-by: Linus Walleij <linus.walleij@linaro.org>