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| author | Johannes Berg <johannes.berg@intel.com> | 2022-06-27 13:49:03 +0300 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2022-07-15 12:43:15 +0300 |
| commit | 284b38b6902a7154e3675482418a7b6df47808fe (patch) | |
| tree | 41ce769f51d3b5749f0a6945b5dfbcc0e7d95d4f /net/wireless | |
| parent | e2722d278ee3dbc589e4fdf1e7970f4d2b62c7dc (diff) | |
| download | linux-284b38b6902a7154e3675482418a7b6df47808fe.tar.xz | |
wifi: nl80211: acquire wdev mutex for dump_survey
At least the quantenna driver calls wdev_chandef() here
which now requires the lock, so acquire it.
Fixes: 7b0a0e3c3a88 ("wifi: cfg80211: do some rework towards MLO link APIs")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/wireless')
| -rw-r--r-- | net/wireless/nl80211.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index b50ba1803595..886d964242ae 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -10233,7 +10233,9 @@ static int nl80211_dump_survey(struct sk_buff *skb, struct netlink_callback *cb) } while (1) { + wdev_lock(wdev); res = rdev_dump_survey(rdev, wdev->netdev, survey_idx, &survey); + wdev_unlock(wdev); if (res == -ENOENT) break; if (res) |