On Tuesday 27 November 2007, eric miao wrote:
> status = chip->direction_input(chip, gpio);
> - if (status == 0)
> - clear_bit(gpio, chip->is_out);
> + if (status)
> + desc->is_out = 0;
You added that same bug in two places (direction_output too).
Only zero status means success; otherwise it's negative errno.
Clearly this patch wasn't tested at all.
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