diff options
| author | Johannes Berg <johannes.berg@intel.com> | 2019-02-01 13:05:27 +0300 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2019-02-01 13:05:35 +0300 |
| commit | 752cfee90d11e280d727617bf8d6df894141e157 (patch) | |
| tree | c55feff5c93af364fe2212d6b2942abb3748e05c /net/wireless/reg.c | |
| parent | 5ac4a12df58121f0cf874b518406ec2a8e2d4ac4 (diff) | |
| parent | fa6821cbf1d9724284ef0906c9a01a5fbf13a35c (diff) | |
| download | linux-752cfee90d11e280d727617bf8d6df894141e157.tar.xz | |
Merge remote-tracking branch 'net-next/master' into mac80211-next
Merge net-next so that we get the changes from net, which would
otherwise conflict with the NLA_POLICY_NESTED/_ARRAY changes.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/wireless/reg.c')
| -rw-r--r-- | net/wireless/reg.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/net/wireless/reg.c b/net/wireless/reg.c index 7def1ece22b2..adfa58fa6536 100644 --- a/net/wireless/reg.c +++ b/net/wireless/reg.c @@ -1024,8 +1024,13 @@ static void regdb_fw_cb(const struct firmware *fw, void *context) } rtnl_lock(); - if (WARN_ON(regdb && !IS_ERR(regdb))) { - /* just restore and free new db */ + if (regdb && !IS_ERR(regdb)) { + /* negative case - a bug + * positive case - can happen due to race in case of multiple cb's in + * queue, due to usage of asynchronous callback + * + * Either case, just restore and free new db. + */ } else if (set_error) { regdb = ERR_PTR(set_error); } else if (fw) { @@ -1255,7 +1260,7 @@ static bool is_valid_rd(const struct ieee80211_regdomain *rd) * definitions (the "2.4 GHz band", the "5 GHz band" and the "60GHz band"), * however it is safe for now to assume that a frequency rule should not be * part of a frequency's band if the start freq or end freq are off by more - * than 2 GHz for the 2.4 and 5 GHz bands, and by more than 10 GHz for the + * than 2 GHz for the 2.4 and 5 GHz bands, and by more than 20 GHz for the * 60 GHz band. * This resolution can be lowered and should be considered as we add * regulatory rule support for other "bands". @@ -1270,7 +1275,7 @@ static bool freq_in_rule_band(const struct ieee80211_freq_range *freq_range, * with the Channel starting frequency above 45 GHz. */ u32 limit = freq_khz > 45 * ONE_GHZ_IN_KHZ ? - 10 * ONE_GHZ_IN_KHZ : 2 * ONE_GHZ_IN_KHZ; + 20 * ONE_GHZ_IN_KHZ : 2 * ONE_GHZ_IN_KHZ; if (abs(freq_khz - freq_range->start_freq_khz) <= limit) return true; if (abs(freq_khz - freq_range->end_freq_khz) <= limit) |