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wireless regulatory: move ignore_request 

This function is only used once, move it closer to its caller.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Johannes Berg 2008-10-24 20:32:23 +02:00 committed by John W. Linville
parent 2083c4997b
commit 84fa4f43c4
1 changed files with 63 additions and 63 deletions
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126
net/wireless/reg.c
View File

@ -298,69 +298,6 @@ static int call_crda(const char *alpha2)
return kobject_uevent_env(&reg_pdev->dev.kobj, KOBJ_CHANGE, envp); return kobject_uevent_env(&reg_pdev->dev.kobj, KOBJ_CHANGE, envp);
} }
/* This has the logic which determines when a new request
* should be ignored. */
static int ignore_request(struct wiphy *wiphy, enum reg_set_by set_by,
const char *alpha2)
{
/* All initial requests are respected */
if (!last_request)
return 0;
switch (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;
case REGDOM_SET_BY_COUNTRY_IE:
if (unlikely(!is_an_alpha2(alpha2)))
return -EINVAL;
if (last_request->initiator == REGDOM_SET_BY_COUNTRY_IE) {
if (last_request->wiphy != wiphy) {
/*
* Two cards with two APs claiming different
* different Country IE alpha2s. We could
* intersect them, but that seems unlikely
* to be correct. Reject second one for now.
*/
if (!alpha2_equal(alpha2,
cfg80211_regdomain->alpha2))
return -EOPNOTSUPP;
return -EALREADY;
}
/* Two consecutive Country IE hints on the same wiphy */
if (!alpha2_equal(cfg80211_regdomain->alpha2, alpha2))
return 0;
return -EALREADY;
}
/*
* Ignore Country IE hints for now, need to think about
* what we need to do to support multi-domain operation.
*/
return -EOPNOTSUPP;
case REGDOM_SET_BY_DRIVER:
if (last_request->initiator == REGDOM_SET_BY_DRIVER)
return -EALREADY;
return 0;
case REGDOM_SET_BY_USER:
/*
* If the user wants to override the AP's hint, we may
* need to follow both and use the intersection. For now,
* reject any such attempt (but we don't support country
* IEs right now anyway.)
*/
if (last_request->initiator == REGDOM_SET_BY_COUNTRY_IE)
return -EOPNOTSUPP;
return 0;
}
return -EINVAL;
}
/* Used by nl80211 before kmalloc'ing our regulatory domain */ /* Used by nl80211 before kmalloc'ing our regulatory domain */
bool reg_is_valid_request(const char *alpha2) bool reg_is_valid_request(const char *alpha2)
{ {
@ -531,6 +468,69 @@ void wiphy_update_regulatory(struct wiphy *wiphy, enum reg_set_by setby)
} }
} }
/* This has the logic which determines when a new request
* should be ignored. */
static int ignore_request(struct wiphy *wiphy, enum reg_set_by set_by,
const char *alpha2)
{
/* All initial requests are respected */
if (!last_request)
return 0;
switch (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;
case REGDOM_SET_BY_COUNTRY_IE:
if (unlikely(!is_an_alpha2(alpha2)))
return -EINVAL;
if (last_request->initiator == REGDOM_SET_BY_COUNTRY_IE) {
if (last_request->wiphy != wiphy) {
/*
* Two cards with two APs claiming different
* different Country IE alpha2s. We could
* intersect them, but that seems unlikely
* to be correct. Reject second one for now.
*/
if (!alpha2_equal(alpha2,
cfg80211_regdomain->alpha2))
return -EOPNOTSUPP;
return -EALREADY;
}
/* Two consecutive Country IE hints on the same wiphy */
if (!alpha2_equal(cfg80211_regdomain->alpha2, alpha2))
return 0;
return -EALREADY;
}
/*
* Ignore Country IE hints for now, need to think about
* what we need to do to support multi-domain operation.
*/
return -EOPNOTSUPP;
case REGDOM_SET_BY_DRIVER:
if (last_request->initiator == REGDOM_SET_BY_DRIVER)
return -EALREADY;
return 0;
case REGDOM_SET_BY_USER:
/*
* If the user wants to override the AP's hint, we may
* need to follow both and use the intersection. For now,
* reject any such attempt (but we don't support country
* IEs right now anyway.)
*/
if (last_request->initiator == REGDOM_SET_BY_COUNTRY_IE)
return -EOPNOTSUPP;
return 0;
}
return -EINVAL;
}
/* Caller must hold &cfg80211_drv_mutex */ /* Caller must hold &cfg80211_drv_mutex */
int __regulatory_hint(struct wiphy *wiphy, enum reg_set_by set_by, int __regulatory_hint(struct wiphy *wiphy, enum reg_set_by set_by,
const char *alpha2) const char *alpha2)