This makes the core hint path more readable and allows for us to
later make it obvious under what circumstances we need locking or not.
Signed-off-by: Luis R. Rodriguez <lrodriguez@xxxxxxxxxxx>
---
net/wireless/reg.c | 34 +++++++++++++++++++++++++---------
1 files changed, 25 insertions(+), 9 deletions(-)
diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index ba82312..6373a78 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -1050,11 +1050,7 @@ static int ignore_request(struct wiphy *wiphy, enum reg_set_by set_by,
case REGDOM_SET_BY_INIT:
return -EINVAL;
case REGDOM_SET_BY_CORE:
- /*
- * Always respect new wireless core hints, should only happen
- * when updating the world regulatory domain at init.
- */
- return 0;
+ return -EINVAL;
case REGDOM_SET_BY_COUNTRY_IE:
if (unlikely(!is_an_alpha2(alpha2)))
return -EINVAL;
@@ -1183,6 +1179,26 @@ new_request:
return call_crda(alpha2);
}
+static int regulatory_hint_core(const char *alpha2)
+{
+ struct regulatory_request *request;
+
+ BUG_ON(last_request);
+
+ request = kzalloc(sizeof(struct regulatory_request),
+ GFP_KERNEL);
+ if (!request)
+ return -ENOMEM;
+
+ request->alpha2[0] = alpha2[0];
+ request->alpha2[1] = alpha2[1];
+ request->initiator = REGDOM_SET_BY_CORE;
+
+ last_request = request;
+
+ return call_crda(alpha2);
+}
+
void regulatory_hint(struct wiphy *wiphy, const char *alpha2)
{
int r;
@@ -1616,16 +1632,16 @@ int regulatory_init(void)
* stuck with the static values. We ignore "EU" code as
* that is not a valid ISO / IEC 3166 alpha2 */
if (ieee80211_regdom[0] != 'E' || ieee80211_regdom[1] != 'U')
- err = __regulatory_hint(NULL, REGDOM_SET_BY_CORE,
- ieee80211_regdom, 0, ENVIRON_ANY);
+ err = regulatory_hint_core(ieee80211_regdom);
#else
cfg80211_regdomain = cfg80211_world_regdom;
- err = __regulatory_hint(NULL, REGDOM_SET_BY_CORE, "00", 0, ENVIRON_ANY);
- if (err)
+ err = regulatory_hint_core("00");
+ if (err) {
printk(KERN_ERR "cfg80211: calling CRDA failed - "
"unable to update world regulatory domain, "
"using static definition\n");
+ }
#endif
return 0;
--
1.6.1.2.253.ga34a
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