Since cfg80211_chandef_dfs_required() can return error number(e.g.,
-EINVAL), it's not sufficient to just check if it didn't return zero.
Fixes: 9e0e29615a20 ("cfg80211: consider existing DFS interfaces")
Signed-off-by: Zhao, Gang <gamerh2o@xxxxxxxxx>
---
net/wireless/chan.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/net/wireless/chan.c b/net/wireless/chan.c
index 9c9501a..2cfff9e 100644
--- a/net/wireless/chan.c
+++ b/net/wireless/chan.c
@@ -744,7 +744,7 @@ cfg80211_get_chan_state(struct wireless_dev *wdev,
*chanmode = CHAN_MODE_SHARED;
if (cfg80211_chandef_dfs_required(wdev->wiphy,
- &wdev->chandef))
+ &wdev->chandef) > 0)
*radar_detect |= BIT(wdev->chandef.width);
}
return;
@@ -754,7 +754,7 @@ cfg80211_get_chan_state(struct wireless_dev *wdev,
*chanmode = CHAN_MODE_SHARED;
if (cfg80211_chandef_dfs_required(wdev->wiphy,
- &wdev->chandef))
+ &wdev->chandef) > 0)
*radar_detect |= BIT(wdev->chandef.width);
}
return;
--
1.9.0
--
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