diff options
| author | Gregory Greenman <gregory.greenman@intel.com> | 2023-04-16 15:47:26 +0300 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2023-04-17 09:53:23 +0200 |
| commit | 5af2bb3168db6b0af9988eb25cccf2e3bc4455e2 (patch) | |
| tree | cd4d4b6a96ad17ca14c55281061573b04b3eca85 /drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c | |
| parent | f8f9c31129c4ebb098dba45a76e4ccf65dc7e6c8 (diff) | |
wifi: iwlwifi: call napi_synchronize() before freeing rx/tx queues
When rx/tx queues are being freed, on a different CPU there could be
still rx flow running. Call napi_synchronize() to prevent such a race.
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Co-developed-by: Benjamin Berg <benjamin.berg@intel.com>
Signed-off-by: Benjamin Berg <benjamin.berg@intel.com>
Link: https://lore.kernel.org/r/20230416154301.5171ee44dcc1.Iff18718540da412e084e7d8266447d40730600ed@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c b/drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c index 45b63e3f5df3..73b395841ca8 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c @@ -156,6 +156,7 @@ void _iwl_trans_pcie_gen2_stop_device(struct iwl_trans *trans) if (test_and_clear_bit(STATUS_DEVICE_ENABLED, &trans->status)) { IWL_DEBUG_INFO(trans, "DEVICE_ENABLED bit was set and is now cleared\n"); + iwl_pcie_rx_napi_sync(trans); iwl_txq_gen2_tx_free(trans); iwl_pcie_rx_stop(trans); } |