UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

iwlwifi: mvm: avoid FW restart while shutting down 

If the firmware crashes while we're already shutting down
the system, there isn't much we can do since the shutdown
process is continuing and we wanted to do that. Don't do
a FW restart, with the implied debug collection, in this
case.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210802170640.43a7351ae6bd.I164d48ce4379accf76ea0637983fd946d52dc6f5@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
This commit is contained in:
Johannes Berg 2021-08-02 17:09:36 +03:00 committed by Luca Coelho
parent 0eb5a554bb
commit 2f308f008f
1 changed files with 8 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/net/wireless/intel/iwlwifi/mvm/ops.c
View File

@ -1466,6 +1466,14 @@ static void iwl_mvm_nic_error(struct iwl_op_mode *op_mode)
if (!test_bit(STATUS_TRANS_DEAD, &mvm->trans->status))
iwl_mvm_dump_nic_error_log(mvm);
/*
* If the firmware crashes while we're already considering it
* to be dead then don't ask for a restart, that cannot do
* anything useful anyway.
*/
if (!test_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status))
return;
iwl_mvm_nic_restart(mvm, true);
}