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wifi: cfg80211: wext: hold wiphy lock in siwgenie

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Missed this ioctl since it's in wext-sme.c where we
usually get via a front-level ioctl handler in the
other files, but it should also hold the wiphy lock
to align the locking contract towards the driver.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg
2023-06-06 14:49:23 +02:00
parent a993df0f91
commit 7d2d0ff49d
1 changed files with 3 additions and 1 deletions
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4
net/wireless/wext-sme.c
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@@ -3,7 +3,7 @@
* cfg80211 wext compat for managed mode. * cfg80211 wext compat for managed mode.
* *
* Copyright 2009 Johannes Berg <johannes@sipsolutions.net> * Copyright 2009 Johannes Berg <johannes@sipsolutions.net>
* Copyright (C) 2009, 2020-2022 Intel Corporation * Copyright (C) 2009, 2020-2023 Intel Corporation
*/ */
#include <linux/export.h> #include <linux/export.h>
@@ -338,6 +338,7 @@ int cfg80211_wext_siwgenie(struct net_device *dev,
if (!ie_len) if (!ie_len)
ie = NULL; ie = NULL;
wiphy_lock(wdev->wiphy);
wdev_lock(wdev); wdev_lock(wdev);
/* no change */ /* no change */
@@ -370,6 +371,7 @@ int cfg80211_wext_siwgenie(struct net_device *dev,
err = 0; err = 0;
out: out:
wdev_unlock(wdev); wdev_unlock(wdev);
wiphy_unlock(wdev->wiphy);
return err; return err;
} }