[<prev] [next>] [day] [month] [year] [list]
Message-Id: <20200712173551.274448-1-christophe.jaillet@wanadoo.fr>
Date: Sun, 12 Jul 2020 19:35:51 +0200
From: Christophe JAILLET <christophe.jaillet@...adoo.fr>
To: johannes@...solutions.net, davem@...emloft.net, kuba@...nel.org
Cc: linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org,
Christophe JAILLET <christophe.jaillet@...adoo.fr>
Subject: [PATCH 2/2] 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@...adoo.fr>
---
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 a671ee5f5da7..898e5f53f263 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;
}
--
2.25.1
Powered by blists - more mailing lists