diff options
| author | Dmitry Shmidt <dimitrysh@google.com> | 2011-12-19 12:32:21 -0800 |
|---|---|---|
| committer | Varun Colbert <vcolbert@nvidia.com> | 2012-01-19 16:15:33 -0800 |
| commit | 59ea3404e1056b0084c50a30d6e1b60c7ea6955d (patch) | |
| tree | ca70d49e57ff14bdf0d8a17f49865824b0c753e4 | |
| parent | 3b718bdc14066d29cbd168380a125784f4fd56b5 (diff) | |
wireless: Protect regdomain change by mutex
cherry-pick 35047200c401cdd1bb43b5574270d1ac86a47937 from
https://android.googlesource.com/kernel/common.git
Change-Id: I23efd4bab367bf49f7aca34daa19904baf5b9170
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>
Reviewed-on: http://git-master/r/75462
Reviewed-by: Automatic_Commit_Validation_User
| -rw-r--r-- | net/wireless/reg.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/net/wireless/reg.c b/net/wireless/reg.c index 1bc36d250baf..ca754451e768 100644 --- a/net/wireless/reg.c +++ b/net/wireless/reg.c @@ -1773,6 +1773,7 @@ static void restore_alpha2(char *alpha2, bool reset_user) static void restore_regulatory_settings(bool reset_user) { char alpha2[2]; + char world_alpha2[2]; struct reg_beacon *reg_beacon, *btmp; struct regulatory_request *reg_request, *tmp; LIST_HEAD(tmp_reg_req_list); @@ -1823,11 +1824,13 @@ static void restore_regulatory_settings(bool reset_user) /* First restore to the basic regulatory settings */ cfg80211_regdomain = cfg80211_world_regdom; + world_alpha2[0] = cfg80211_regdomain->alpha2[0]; + world_alpha2[1] = cfg80211_regdomain->alpha2[1]; mutex_unlock(®_mutex); mutex_unlock(&cfg80211_mutex); - regulatory_hint_core(cfg80211_regdomain->alpha2); + regulatory_hint_core(world_alpha2); /* * This restores the ieee80211_regdom module parameter |