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由 Bartosz Golaszewski 提交于
Currently the chip name buffer is allocated on the stack and the address of the buffer is passed to the gpio framework. It's invalid after probe() returns, so the sysfs label attribute displays garbage. Use devm_kasprintf() for each string instead. Signed-off-by: NBartosz Golaszewski <bgolaszewski@baylibre.com> Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>
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