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nl80211: Simplify error handling path in 'nl80211_trigger_scan()'

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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>
This commit is contained in:
Christophe JAILLET 2020-07-12 19:35:51 +02:00 committed by Johannes Berg
parent 8328685682
commit 504776be46
1 changed files with 11 additions and 8 deletions
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19
net/wireless/nl80211.c
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@ -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;
}