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authorJohannes Berg <johannes.berg@intel.com>2019-04-08 13:40:47 +0200
committerJohannes Berg <johannes.berg@intel.com>2019-04-08 13:40:47 +0200
commitd39f3b4f33d245a08a7296a04bab80bd52466f58 (patch)
tree9098b6d92772182b0b7f2b649adbdf87c627e7a2 /net/wireless
parent1f17f7742eeba73dbd5ae8bdec1a85ce5877001e (diff)
downloadlinux-d39f3b4f33d245a08a7296a04bab80bd52466f58.tar.bz2
nl80211: reindent some sched scan code
The sched scan code here is really deep - avoid one level of indentation by short-circuiting the loop instead of putting everything into the if block. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/wireless')
-rw-r--r--net/wireless/nl80211.c65
1 files changed, 34 insertions, 31 deletions
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 33408ba1d7ee..5c49d11fc477 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -7776,43 +7776,46 @@ nl80211_parse_sched_scan(struct wiphy *wiphy, struct wireless_dev *wdev,
goto out_free;
ssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID];
bssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID];
- if (ssid || bssid) {
- if (WARN_ON(i >= n_match_sets)) {
- /* this indicates a programming error,
- * the loop above should have verified
- * things properly
- */
+
+ if (!ssid && !bssid) {
+ i++;
+ continue;
+ }
+
+ if (WARN_ON(i >= n_match_sets)) {
+ /* this indicates a programming error,
+ * the loop above should have verified
+ * things properly
+ */
+ err = -EINVAL;
+ goto out_free;
+ }
+
+ if (ssid) {
+ if (nla_len(ssid) > IEEE80211_MAX_SSID_LEN) {
err = -EINVAL;
goto out_free;
}
-
- if (ssid) {
- if (nla_len(ssid) > IEEE80211_MAX_SSID_LEN) {
- err = -EINVAL;
- goto out_free;
- }
- memcpy(request->match_sets[i].ssid.ssid,
- nla_data(ssid), nla_len(ssid));
- request->match_sets[i].ssid.ssid_len =
- nla_len(ssid);
- }
- if (bssid) {
- if (nla_len(bssid) != ETH_ALEN) {
- err = -EINVAL;
- goto out_free;
- }
- memcpy(request->match_sets[i].bssid,
- nla_data(bssid), ETH_ALEN);
+ memcpy(request->match_sets[i].ssid.ssid,
+ nla_data(ssid), nla_len(ssid));
+ request->match_sets[i].ssid.ssid_len =
+ nla_len(ssid);
+ }
+ if (bssid) {
+ if (nla_len(bssid) != ETH_ALEN) {
+ err = -EINVAL;
+ goto out_free;
}
+ memcpy(request->match_sets[i].bssid,
+ nla_data(bssid), ETH_ALEN);
+ }
- /* special attribute - old implementation w/a */
+ /* special attribute - old implementation w/a */
+ request->match_sets[i].rssi_thold = default_match_rssi;
+ rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI];
+ if (rssi)
request->match_sets[i].rssi_thold =
- default_match_rssi;
- rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI];
- if (rssi)
- request->match_sets[i].rssi_thold =
- nla_get_s32(rssi);
- }
+ nla_get_s32(rssi);
i++;
}