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iio: Do not accept multiple '.' in fixed point numbers

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Currently when parsing a fix-point number we silently skip any additional '.'
found in the string.  E.g. '1.2.3.4' gets parsed as '1.234'. This patch
disallows this and returns an error if more than one '.' is encountered.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Lars-Peter Clausen 2012-10-22 12:15:00 +01:00 committed by Jonathan Cameron
parent fad109452e
commit 8f1b7eb114
1 changed files with 1 additions and 1 deletions
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2
drivers/iio/industrialio-core.c
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@ -454,7 +454,7 @@ static ssize_t iio_write_channel_info(struct device *dev,
break;
else
return -EINVAL;
} else if (*buf == '.') {
} else if (*buf == '.' && integer_part) {
integer_part = false;
} else {
return -EINVAL;