wifi: mac80211: disconnect on CSA to channel 0

The refactor for the CSA parsing erroneously equates channel
zero and no information present, leading it to ignore a CSA
on an AP that advertises a switch to that (invalid) channel.
This leads to not disconnecting, which we should. For Intel
devices, this can lead to a firmware crash.

Fix this by using an int type for the channel number as well
as the opclass, and using a (negative) value that cannot be
encoded in the element to indicate it's not present.

Fixes: 21c3f8f95554 ("wifi: mac80211: refactor STA CSA parsing flows")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20260802111213.3bc833515e40.I255c37c31ca8b0b34e351cf254e16b6071dd8fb3@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

0 files changed, 0 insertions, 0 deletions