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authorJohannes Berg <johannes.berg@intel.com>2012-12-06 15:57:14 +0100
committerJohannes Berg <johannes.berg@intel.com>2013-01-03 13:01:31 +0100
commit361c9c8b0eeeec7d881e018d5143bf883558c566 (patch)
tree631cd436b7e80b8134084a935337c6ee3243bd7b /drivers/net/wireless/ath
parentregulatory: use RCU to protect last_request (diff)
downloadlinux-361c9c8b0eeeec7d881e018d5143bf883558c566.tar.xz
linux-361c9c8b0eeeec7d881e018d5143bf883558c566.zip
regulatory: use IS_ERR macro family for freq_reg_info
Instead of returning an error and filling a pointer return the pointer and an ERR_PTR value in error cases. Acked-by: Luis R. Rodriguez <mcgrof@do-not-panic.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'drivers/net/wireless/ath')
-rw-r--r--drivers/net/wireless/ath/regd.c16
1 files changed, 6 insertions, 10 deletions
diff --git a/drivers/net/wireless/ath/regd.c b/drivers/net/wireless/ath/regd.c
index 8ae58c404c67..7a6c79e1f819 100644
--- a/drivers/net/wireless/ath/regd.c
+++ b/drivers/net/wireless/ath/regd.c
@@ -195,7 +195,6 @@ ath_reg_apply_beaconing_flags(struct wiphy *wiphy,
const struct ieee80211_reg_rule *reg_rule;
struct ieee80211_channel *ch;
unsigned int i;
- int r;
for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
@@ -213,10 +212,8 @@ ath_reg_apply_beaconing_flags(struct wiphy *wiphy,
continue;
if (initiator == NL80211_REGDOM_SET_BY_COUNTRY_IE) {
- r = freq_reg_info(wiphy,
- ch->center_freq,
- &reg_rule);
- if (r)
+ reg_rule = freq_reg_info(wiphy, ch->center_freq);
+ if (IS_ERR(reg_rule))
continue;
/*
* If 11d had a rule for this channel ensure
@@ -252,7 +249,6 @@ ath_reg_apply_active_scan_flags(struct wiphy *wiphy,
struct ieee80211_supported_band *sband;
struct ieee80211_channel *ch;
const struct ieee80211_reg_rule *reg_rule;
- int r;
sband = wiphy->bands[IEEE80211_BAND_2GHZ];
if (!sband)
@@ -280,16 +276,16 @@ ath_reg_apply_active_scan_flags(struct wiphy *wiphy,
*/
ch = &sband->channels[11]; /* CH 12 */
- r = freq_reg_info(wiphy, ch->center_freq, &reg_rule);
- if (!r) {
+ reg_rule = freq_reg_info(wiphy, ch->center_freq);
+ if (!IS_ERR(reg_rule)) {
if (!(reg_rule->flags & NL80211_RRF_PASSIVE_SCAN))
if (ch->flags & IEEE80211_CHAN_PASSIVE_SCAN)
ch->flags &= ~IEEE80211_CHAN_PASSIVE_SCAN;
}
ch = &sband->channels[12]; /* CH 13 */
- r = freq_reg_info(wiphy, ch->center_freq, &reg_rule);
- if (!r) {
+ reg_rule = freq_reg_info(wiphy, ch->center_freq);
+ if (!IS_ERR(reg_rule)) {
if (!(reg_rule->flags & NL80211_RRF_PASSIVE_SCAN))
if (ch->flags & IEEE80211_CHAN_PASSIVE_SCAN)
ch->flags &= ~IEEE80211_CHAN_PASSIVE_SCAN;