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iwlwifi: mvm: don't WARN about unsuccessful time event

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Time event notification can have a failure status even if
the time event was scheduled:
* in START notification, this can happen if the time event
  was scheduled later than the requested apply time.
* in STOP notification, this can happen if the time event
  is truncated.

Even if both happened, the offchannel packets sent during
the remain on channel are very likely to have been sent.
Hence, don't WARN when this happens, but rather print a
discrete line in the kernel log.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Emmanuel Grumbach 2013-11-05 16:27:59 +02:00
parent 56c07a9c95
commit 9fc3fe96c3
1 changed files with 5 additions and 2 deletions
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7
drivers/net/wireless/iwlwifi/mvm/time-event.c
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@ -176,8 +176,11 @@ static void iwl_mvm_te_handle_notif(struct iwl_mvm *mvm,
* P2P Device discoveribility, while there are other higher priority
* events in the system).
*/
if (WARN_ONCE(!le32_to_cpu(notif->status),
"Failed to schedule time event\n")) {
if (!le32_to_cpu(notif->status)) {
bool start = le32_to_cpu(notif->action) &
TE_V2_NOTIF_HOST_EVENT_START;
IWL_WARN(mvm, "Time Event %s notification failure\n",
start ? "start" : "end");
if (iwl_mvm_te_check_disconnect(mvm, te_data->vif, NULL)) {
iwl_mvm_te_clear_data(mvm, te_data);
return;