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iwlwifi: mvm: disable dbg data collect when fw isn't alive 

If FW isn't alive, trying to collect debug data will
result in errors both in driver and in the collected
data, so just warn and leave the collecting function
in this case.

Signed-off-by: Liad Kaufman <liad.kaufman@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
This commit is contained in:
Liad Kaufman 2017-03-23 11:08:59 +02:00 committed by Luca Coelho
parent 0ec971fdad
commit f45f979dc2
1 changed files with 4 additions and 0 deletions
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4
drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.c
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@ -915,6 +915,10 @@ int iwl_mvm_fw_dbg_collect_desc(struct iwl_mvm *mvm,
if (trigger)
delay = msecs_to_jiffies(le32_to_cpu(trigger->stop_delay));
if (WARN(mvm->trans->state == IWL_TRANS_NO_FW,
"Can't collect dbg data when FW isn't alive\n"))
return -EIO;
if (test_and_set_bit(IWL_MVM_STATUS_DUMPING_FW_LOG, &mvm->status))
return -EBUSY;