When channel_switch is performed to a channel with a freq_offset,
such as 909.5 MHz, channel_switch fails with the "-EOPNOTSUPP" error.
Since freq_offset is used in the S1G band, it should not be treated
as an error only with the freq_offset condition.
Fixes: b6011960f392 ("mac80211: handle channel frequency offset")
Signed-off-by: JUN-KYU SHIN <jk.shin@xxxxxxxxxxxx>
---
net/mac80211/cfg.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index f2d08dbccfb7..f251945cf6fd 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -3909,8 +3909,9 @@ __ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
goto out;
}
- if (params->chandef.chan->freq_offset) {
- /* this may work, but is untested */
+ if (params->chandef.chan->freq_offset &&
+ params->chandef.chan->band != NL80211_BAND_S1GHZ) {
+ /* Currently, offset is supported only on the S1G band. */
err = -EOPNOTSUPP;
goto out;
}
--
2.25.1
