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6lowpan: no need to check return value of debugfs_create functions

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When calling debugfs functions, there is no need to ever check the
return value.  The function can work or not, but the code logic should
never do something different based on this.

Because we don't care if debugfs works or not, this trickles back a bit
so we can clean things up by making some functions return void instead
of an error value that is never going to fail.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Greg Kroah-Hartman
2019-06-14 09:14:23 +02:00
committed by Marcel Holtmann
parent 2faa3f15fa
commit db50450d09
3 changed files with 32 additions and 89 deletions
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8
net/6lowpan/core.c
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@@ -42,9 +42,7 @@ int lowpan_register_netdevice(struct net_device *dev,
if (ret < 0)
return ret;
ret = lowpan_dev_debugfs_init(dev);
if (ret < 0)
unregister_netdevice(dev);
lowpan_dev_debugfs_init(dev);
return ret;
}
@@ -152,9 +150,7 @@ static int __init lowpan_module_init(void)
{
int ret;
ret = lowpan_debugfs_init();
if (ret < 0)
return ret;
lowpan_debugfs_init();
ret = register_netdevice_notifier(&lowpan_notifier);
if (ret < 0) {