cfg80211: do not pass -EALREADY to userspace on regdomain change request

If the regulatory domain is already set it is technically not an error
so do not pass an errno to userspace.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Luis R. Rodriguez 2009-01-26 09:00:51 -08:00 committed by John W. Linville
parent b51bb3cd6c
commit d81c2d9c90
1 changed files with 5 additions and 0 deletions

View File

@ -1908,6 +1908,11 @@ static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info)
mutex_lock(&cfg80211_drv_mutex);
r = __regulatory_hint(NULL, REGDOM_SET_BY_USER, data, 0, ENVIRON_ANY);
mutex_unlock(&cfg80211_drv_mutex);
/* This means the regulatory domain was already set, however
* we don't want to confuse userspace with a "successful error"
* message so lets just treat it as a success */
if (r == -EALREADY)
r = 0;
return r;
}