iwlwifi: mvm: fix ROC reference accounting
commit b112889c ("iwlwifi: mvm: add Aux ROC request/response flow") added aux ROC flow in addition to the existing ROC flow. While doing it, it moved the ROC reference release to a common work item, which is being called for both the ROC and aux ROC flows. This resulted in invalid reference accounting, as no reference was taken in case of aux ROC, while a reference was released on completion. Fix it by adding a reference for the aux ROC as well, and release only the relevant references on completion (according to the set bits). While at it, convert cancel_work_sync() to flush_work(), in order to make sure the references are being cleaned properly. Fixes: b112889c ("iwlwifi: mvm: add Aux ROC request/response flow") Signed-off-by: NEliad Peller <eliadx.peller@intel.com> Reviewed-by: NJohannes Berg <johannes.berg@intel.com> Signed-off-by: NEmmanuel Grumbach <emmanuel.grumbach@intel.com>
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