diff mbox series

wifi: mac80211: fix error handling when channel_switch on S1G band

Message ID 20230626075818.1000-1-jk.shin@newratek.com (mailing list archive)
State Superseded
Delegated to: Johannes Berg
Headers show
Series wifi: mac80211: fix error handling when channel_switch on S1G band | expand

Commit Message

JUN-KYU SHIN June 26, 2023, 7:58 a.m. UTC 
On the S1G band, even if freq_offset exists in the
__ieee80211_channel_switch function, it is not treated as an error.

Signed-off-by: JUN-KYU SHIN <jk.shin@newratek.com>
---
 net/mac80211/cfg.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

Comments

Jakub Kicinski July 5, 2023, 9:12 p.m. UTC | #1 
On Mon, 26 Jun 2023 16:58:18 +0900 JUN-KYU SHIN wrote:
> On the S1G band, even if freq_offset exists in the
> __ieee80211_channel_switch function, it is not treated as an error.

Sounds like e bug fix to me.

Could you describe the user visible impact in simpler terms,
and add a Fixes tag?
diff mbox series

Patch

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;
 	}