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ax25: merge repeat codes in ax25_dev_device_down()

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Merge repeat codes to reduce the duplication.

Signed-off-by: Lu Wei <luwei32@huawei.com>
Link: https://lore.kernel.org/r/20220516062804.254742-1-luwei32@huawei.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
This commit is contained in:
Lu Wei 2022-05-16 14:28:04 +08:00 committed by Paolo Abeni
parent bcdcf2c466
commit a968c799eb
1 changed files with 10 additions and 12 deletions
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22
net/ax25/ax25_dev.c
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@ -115,23 +115,13 @@ void ax25_dev_device_down(struct net_device *dev)
if ((s = ax25_dev_list) == ax25_dev) {
ax25_dev_list = s->next;
spin_unlock_bh(&ax25_dev_lock);
ax25_dev_put(ax25_dev);
dev->ax25_ptr = NULL;
dev_put_track(dev, &ax25_dev->dev_tracker);
ax25_dev_put(ax25_dev);
return;
goto unlock_put;
}
while (s != NULL && s->next != NULL) {
if (s->next == ax25_dev) {
s->next = ax25_dev->next;
spin_unlock_bh(&ax25_dev_lock);
ax25_dev_put(ax25_dev);
dev->ax25_ptr = NULL;
dev_put_track(dev, &ax25_dev->dev_tracker);
ax25_dev_put(ax25_dev);
return;
goto unlock_put;
}
s = s->next;
@ -139,6 +129,14 @@ void ax25_dev_device_down(struct net_device *dev)
spin_unlock_bh(&ax25_dev_lock);
dev->ax25_ptr = NULL;
ax25_dev_put(ax25_dev);
return;
unlock_put:
spin_unlock_bh(&ax25_dev_lock);
ax25_dev_put(ax25_dev);
dev->ax25_ptr = NULL;
dev_put_track(dev, &ax25_dev->dev_tracker);
ax25_dev_put(ax25_dev);
}
int ax25_fwd_ioctl(unsigned int cmd, struct ax25_fwd_struct *fwd)