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| author |   Eliad Peller <eliad@wizery.com> | 2014-06-22 14:44:44 +0300 |
|---|---|---|
| committer |   Emmanuel Grumbach <emmanuel.grumbach@intel.com> | 2014-10-29 14:13:47 +0200 |
| commit | 4ff78181f4efa91e914e2d0940f3bdc4685aae6b (patch) | |
| tree | 93670d76abc02a46dafa539606df724051fd4730 /drivers/net/wireless/iwlwifi | |
| parent | iwlwifi: mvm: rs: add Tx STBC support (diff) | |
| download | linux-dev-4ff78181f4efa91e914e2d0940f3bdc4685aae6b.tar.xz linux-dev-4ff78181f4efa91e914e2d0940f3bdc4685aae6b.zip | |
iwlwifi: mvm: unref SCAN ref on scan completion
The scan reference wasn't released in case of offloaded scan,
causing the refcount to go wrong and prevent the device
from going into d0i3.
Signed-off-by: Eliad Peller <eliadx.peller@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Diffstat (limited to 'drivers/net/wireless/iwlwifi')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/mvm/scan.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/net/wireless/iwlwifi/mvm/scan.c b/drivers/net/wireless/iwlwifi/mvm/scan.c index 042fcdc81f41..5cd59a43e1da 100644 --- a/drivers/net/wireless/iwlwifi/mvm/scan.c +++ b/drivers/net/wireless/iwlwifi/mvm/scan.c @@ -673,6 +673,7 @@ int iwl_mvm_rx_scan_offload_complete_notif(struct iwl_mvm *mvm, mvm->scan_status = IWL_MVM_SCAN_NONE; ieee80211_scan_completed(mvm->hw, status == IWL_SCAN_OFFLOAD_ABORTED); + iwl_mvm_unref(mvm, IWL_MVM_REF_SCAN); } mvm->last_ebs_successful = !ebs_status; @@ -1107,8 +1108,12 @@ int iwl_mvm_scan_offload_stop(struct iwl_mvm *mvm, bool notify) /* * Clear the scan status so the next scan requests will succeed. This * also ensures the Rx handler doesn't do anything, as the scan was - * stopped from above. + * stopped from above. Since the rx handler won't do anything now, + * we have to release the scan reference here. */ + if (mvm->scan_status == IWL_MVM_SCAN_OS) + iwl_mvm_unref(mvm, IWL_MVM_REF_SCAN); + mvm->scan_status = IWL_MVM_SCAN_NONE; if (notify) { |