Commit db0e066a authored by Luis R. Rodriguez's avatar Luis R. Rodriguez Committed by Johannes Berg

cfg80211: pass the last_request to __set_regdom()

last_request is RCU protected, since we're getting it
on set_regdom() we might as well pass it to ensure the
same request is being processed, otherwise there is a
small race it could have changed. This makes processing
of the request atomic.
Signed-off-by: default avatarLuis R. Rodriguez <mcgrof@do-not-panic.com>
Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent 0e3802db
......@@ -2192,12 +2192,12 @@ static void print_regdomain_info(const struct ieee80211_regdomain *rd)
}
/* Takes ownership of rd only if it doesn't fail */
static int __set_regdom(const struct ieee80211_regdomain *rd)
static int __set_regdom(const struct ieee80211_regdomain *rd,
struct regulatory_request *lr)
{
const struct ieee80211_regdomain *regd;
const struct ieee80211_regdomain *intersected_rd = NULL;
struct wiphy *request_wiphy;
struct regulatory_request *lr = get_last_request();
/* Some basic sanity checks first */
......@@ -2323,7 +2323,7 @@ int set_regdom(const struct ieee80211_regdomain *rd)
lr = get_last_request();
/* Note that this doesn't update the wiphys, this is done below */
r = __set_regdom(rd);
r = __set_regdom(rd, lr);
if (r) {
if (r == -EALREADY)
reg_set_request_processed();
......
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