openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

cfg80211: Fix dfs state propagation for non-DFS center channel 

When part of a bigger bandwidth (160 MHz) channel falls in DFS
channel range it is possible that the  center frequency may not
necessarily be a radar channel. Remove the sanity check on channel
flag for IEEE80211_CHAN_RADAR in regulatory_propagate_dfs_state(),
this should fix the dfs state propagation for non-DFS center freq
which has DFS channels in it's bandwidth, should also fix unnecessary
WARN_ON() spam in regulatory_propagate_dfs_state().

Fixes: 8976672736 ("cfg80211: Share Channel DFS state across wiphys of same DFS domain")
Reported-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qti.qualcomm.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Vasanthakumar Thiagarajan 2017-04-18 17:39:19 +05:30 committed by Johannes Berg
parent 5e1fc7c5ba
commit cd50ac0f31
1 changed files with 0 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
net/wireless/reg.c
View File

@ -3244,9 +3244,6 @@ void regulatory_propagate_dfs_state(struct wiphy *wiphy,
if (WARN_ON(!cfg80211_chandef_valid(chandef)))
return;
if (WARN_ON(!(chandef->chan->flags & IEEE80211_CHAN_RADAR)))
return;
list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
if (wiphy == &rdev->wiphy)
continue;