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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>
This commit is contained in:
Ursula Braun 2009-08-26 02:01:10 +00:00 committed by David S. Miller
parent 0d788c7d28
commit 7c6a3ed5bd
1 changed files with 1 additions and 1 deletions
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2
drivers/s390/net/qeth_core_sys.c
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@ -364,7 +364,7 @@ static ssize_t qeth_dev_layer2_show(struct device *dev,
if (!card)
return -EINVAL;
return sprintf(buf, "%i\n", card->options.layer2 ? 1:0);
return sprintf(buf, "%i\n", card->options.layer2);
}
static ssize_t qeth_dev_layer2_store(struct device *dev,