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tle62x0 driver stops ignoring read errors
The tle62x0 driver was ignoring all read errors. This patch makes it pass such errors up the stack, instead of returning bogus data. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -107,8 +107,11 @@ static ssize_t tle62x0_status_show(struct device *dev,
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mutex_lock(&st->lock);
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ret = tle62x0_read(st);
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dev_dbg(dev, "tle62x0_read() returned %d\n", ret);
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if (ret < 0) {
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mutex_unlock(&st->lock);
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return ret;
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}
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for (ptr = 0; ptr < (st->nr_gpio * 2)/8; ptr += 1) {
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fault <<= 8;
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