From 504776be46cb61bc0606e0e943fd6a04c38f2130 Mon Sep 17 00:00:00 2001
From: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Date: Sun, 12 Jul 2020 19:35:51 +0200
Subject: [PATCH] nl80211: Simplify error handling path in 'nl80211_trigger_scan()'
Git-commit: 504776be46cb61bc0606e0e943fd6a04c38f2130
Patch-mainline: v5.9-rc1
References: jsc#SLE-13430
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>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
net/wireless/nl80211.c | 19 +++++++++++--------
1 file 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;
}
--
2.16.4