forked from luck/tmp_suning_uos_patched
regmap: debugfs: Fix reading in register field units
At the moment, if the length of the register field format is N bytes, we can only get anything meaningful back to userspace by providing a buffer that is N + 2 bytes large. Fix this so we that we only need to provide a buffer of N bytes. Signed-off-by: Dimitris Papastamos <dp@opensource.wolfsonmicro.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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@ -185,7 +185,7 @@ static ssize_t regmap_read_debugfs(struct regmap *map, unsigned int from,
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/* If we're in the region the user is trying to read */
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if (p >= *ppos) {
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/* ...but not beyond it */
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if (buf_pos + 1 + map->debugfs_tot_len >= count)
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if (buf_pos + map->debugfs_tot_len > count)
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break;
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/* Format the register */
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