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mac80211: clean up an ieee80211_do_open error path 

Eliad's comment prompted me to look closer at
the error paths in ieee80211_do_open() and I
found one that should use the error labels.

Also add a comment about the clear_bit since
in many error cases the bit hasn't been set.

Cc: Eliad Peller <eliad@wizery.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Johannes Berg 2012-04-03 14:45:54 +02:00 committed by John W. Linville
parent 3a25a8c8b7
commit 4d6c36fa22
1 changed files with 3 additions and 3 deletions
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6
net/mac80211/iface.c
View File

@ -349,9 +349,8 @@ static int ieee80211_do_open(struct net_device *dev, bool coming_up)
memcpy(dev->perm_addr, dev->dev_addr, ETH_ALEN);
if (!is_valid_ether_addr(dev->dev_addr)) {
if (!local->open_count)
drv_stop(local);
return -EADDRNOTAVAIL;
res = -EADDRNOTAVAIL;
goto err_stop;
}
}
@ -485,6 +484,7 @@ static int ieee80211_do_open(struct net_device *dev, bool coming_up)
sdata->bss = NULL;
if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
list_del(&sdata->u.vlan.list);
/* might already be clear but that doesn't matter */
clear_bit(SDATA_STATE_RUNNING, &sdata->state);
return res;
}