qeth: display "undefined" value of sysfs-attribute "layer2"
If nothing has been written into the qeth sysfs-attribute layer2, its value is "-1" meaning "not yet defined". But the value is displayed as "1" meaning "layer2 selected". The patch changes the reading of this "-1"-value to "-1" to make clear the layer2-attribute has not yet been defined. Signed-off-by: Ursula Braun <ursula.braun@de.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -364,7 +364,7 @@ static ssize_t qeth_dev_layer2_show(struct device *dev,
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if (!card)
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return -EINVAL;
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return sprintf(buf, "%i\n", card->options.layer2 ? 1:0);
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return sprintf(buf, "%i\n", card->options.layer2);
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}
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static ssize_t qeth_dev_layer2_store(struct device *dev,
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