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Dan Carpenter authored
copy_from_user() returns the number of bytes remaining to be copied but we want to return negative error codes on failue. Fixes: 9202ba23 ("gpio: mockup: implement event injecting over debugfs") Signed-off-by:
Dan Carpenter <dan.carpenter@oracle.com> Acked-by:
Bartosz Golaszewski <bgolaszewski@baylibre.com> Signed-off-by:
Linus Walleij <linus.walleij@linaro.org>
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