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iwlwifi: mvm: ignore unchanged low-latency flag 

If the low-latency update is called but there's no change then
ignore the update instead of triggering all the required work.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
This commit is contained in:
Johannes Berg 2014-03-18 10:21:02 +01:00 committed by Emmanuel Grumbach
parent d966211487
commit 3510aea44e
1 changed files with 3 additions and 0 deletions
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3
drivers/net/wireless/iwlwifi/mvm/utils.c
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@ -612,6 +612,9 @@ int iwl_mvm_update_low_latency(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
lockdep_assert_held(&mvm->mutex);
if (mvmvif->low_latency == value)
return 0;
mvmvif->low_latency = value;
res = iwl_mvm_update_quotas(mvm, NULL);