iio-light: Use a signed return type for ltr501_match_samp_freq()
The return type "unsigned int" was used by the ltr501_match_samp_freq() function despite of the aspect that it will eventually return a negative error code. Improve this implementation detail by deletion of the type modifier then. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Acked-by: Peter Meerwald-Stadler <pmeerw@pmeerw.net> Cc: <Stable@vger.kernel.org> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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@ -180,7 +180,7 @@ static const struct ltr501_samp_table ltr501_ps_samp_table[] = {
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{500000, 2000000}
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};
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static unsigned int ltr501_match_samp_freq(const struct ltr501_samp_table *tab,
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static int ltr501_match_samp_freq(const struct ltr501_samp_table *tab,
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int len, int val, int val2)
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{
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int i, freq;
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