summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorChristophe JAILLET <christophe.jaillet@wanadoo.fr>2020-07-12 19:35:51 +0200
committerJohannes Berg <johannes.berg@intel.com>2020-07-31 09:24:23 +0200
commit504776be46cb61bc0606e0e943fd6a04c38f2130 (patch)
tree7409b59de9be8cf3ea5baaf18b88fd6a4e26ee0a
parent8328685682965cbf9348f6f85cadc8c0598771d9 (diff)
downloadlinux-504776be46cb61bc0606e0e943fd6a04c38f2130.tar.gz
linux-504776be46cb61bc0606e0e943fd6a04c38f2130.tar.bz2
linux-504776be46cb61bc0606e0e943fd6a04c38f2130.zip
nl80211: Simplify error handling path in 'nl80211_trigger_scan()'
Re-write the end of 'nl80211_trigger_scan()' with a more standard, easy to understand and future proof version. Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Link: https://lore.kernel.org/r/20200712173551.274448-1-christophe.jaillet@wanadoo.fr Signed-off-by: Johannes Berg <johannes.berg@intel.com>
-rw-r--r--net/wireless/nl80211.c19
1 files changed, 11 insertions, 8 deletions
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 96b94a900625..6fdf818f66cf 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -7993,15 +7993,18 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
rdev->scan_req = request;
err = rdev_scan(rdev, request);
- if (!err) {
- nl80211_send_scan_start(rdev, wdev);
- if (wdev->netdev)
- dev_hold(wdev->netdev);
- } else {
+ if (err)
+ goto out_free;
+
+ nl80211_send_scan_start(rdev, wdev);
+ if (wdev->netdev)
+ dev_hold(wdev->netdev);
+
+ return 0;
+
out_free:
- rdev->scan_req = NULL;
- kfree(request);
- }
+ rdev->scan_req = NULL;
+ kfree(request);
return err;
}