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authorJohannes Berg <johannes.berg@intel.com>2012-10-24 12:04:58 +0400
committerJohannes Berg <johannes.berg@intel.com>2012-10-30 12:11:33 +0400
commit71fe96bf9db8b117d28de6f9ced606cae2ad9661 (patch)
treed764bfd5d36c488190a87f50b6abb0ee579710c0 /net/wireless/nl80211.c
parente826117142d87c5fbdfd17a053f6a33ec90b20a4 (diff)
downloadlinux-71fe96bf9db8b117d28de6f9ced606cae2ad9661.tar.xz
nl80211: move "can set channel" check
Setting the wdev to NULL when the channel can't be set for that interface type (to treat the channel setting for the wiphy/monitor) currently works, but is confusing in the code if netdev/wdev aren't both set/unset in the same way. Move the check whether the channel can be set to where it's needed so that wdev and netdev are always both assigned or NULL. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/wireless/nl80211.c')
-rw-r--r--net/wireless/nl80211.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 8c0857815a90..879ca620fd6f 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -1516,10 +1516,8 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
result = 0;
mutex_lock(&rdev->mtx);
- } else if (nl80211_can_set_dev_channel(netdev->ieee80211_ptr))
+ } else
wdev = netdev->ieee80211_ptr;
- else
- wdev = NULL;
/*
* end workaround code, by now the rdev is available
@@ -1579,7 +1577,9 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
}
if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
- result = __nl80211_set_channel(rdev, wdev, info);
+ result = __nl80211_set_channel(rdev,
+ nl80211_can_set_dev_channel(wdev) ? wdev : NULL,
+ info);
if (result)
goto bad_res;
}