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wifi: mac80211: don't select link ID if not provided in scan request

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[ Upstream commit 80b0aacd1a ]

If scan request doesn't include a link ID to be used for TSF
reporting, don't select it as it might become inactive before
scan is actually started by the driver.
Instead, let the driver select one of the active links.

Fixes: cbde0b49f2 ("wifi: mac80211: Extend support for scanning while MLO connected")
Signed-off-by: Ayala Beker <ayala.beker@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240320091155.a6b643a15755.Ic28ed9a611432387b7f85e9ca9a97a4ce34a6e0f@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Ayala Beker
2024-03-20 09:14:02 +02:00
committed by Greg Kroah-Hartman
parent 542fc12c71
commit 46f208b9e7
1 changed files with 4 additions and 12 deletions
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16
net/mac80211/scan.c
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@@ -695,19 +695,11 @@ static int __ieee80211_start_scan(struct ieee80211_sub_if_data *sdata,
return -EBUSY;
/* For an MLO connection, if a link ID was specified, validate that it
* is indeed active. If no link ID was specified, select one of the
* active links.
* is indeed active.
*/
if (ieee80211_vif_is_mld(&sdata->vif)) {
if (req->tsf_report_link_id >= 0) {
if (!(sdata->vif.active_links &
BIT(req->tsf_report_link_id)))
return -EINVAL;
} else {
req->tsf_report_link_id =
__ffs(sdata->vif.active_links);
}
}
if (ieee80211_vif_is_mld(&sdata->vif) && req->tsf_report_link_id >= 0 &&
!(sdata->vif.active_links & BIT(req->tsf_report_link_id)))
return -EINVAL;
if (!__ieee80211_can_leave_ch(sdata))
return -EBUSY;