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iwlwifi: don't WARN on trying to dump dead firmware

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There's no point in warning here, the user will just get an
error back to the debugfs file write, and warning just makes
it seem like there's an internal consistency problem when in
reality the user just happened to hit this at a bad time.
Remove the warning.

Fixes: f45f979dc2 ("iwlwifi: mvm: disable dbg data collect when fw isn't alive")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
This commit is contained in:
Johannes Berg 2018-04-19 10:57:08 +02:00 committed by Luca Coelho
parent 38bd7e58cf
commit 84f260251e
1 changed files with 3 additions and 4 deletions
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7
drivers/net/wireless/intel/iwlwifi/fw/dbg.c
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@ -1041,7 +1041,7 @@ int iwl_fw_dbg_collect_desc(struct iwl_fw_runtime *fwrt,
* If the loading of the FW completed successfully, the next step is to
* get the SMEM config data. Thus, if fwrt->smem_cfg.num_lmacs is non
* zero, the FW was already loaded successully. If the state is "NO_FW"
* in such a case - WARN and exit, since FW may be dead. Otherwise, we
* in such a case - exit, since FW may be dead. Otherwise, we
* can try to collect the data, since FW might just not be fully
* loaded (no "ALIVE" yet), and the debug data is accessible.
*
@ -1049,9 +1049,8 @@ int iwl_fw_dbg_collect_desc(struct iwl_fw_runtime *fwrt,
* config. In such a case, due to HW access problems, we might
* collect garbage.
*/
if (WARN((fwrt->trans->state == IWL_TRANS_NO_FW) &&
fwrt->smem_cfg.num_lmacs,
"Can't collect dbg data when FW isn't alive\n"))
if (fwrt->trans->state == IWL_TRANS_NO_FW &&
fwrt->smem_cfg.num_lmacs)
return -EIO;
if (test_and_set_bit(IWL_FWRT_STATUS_DUMPING, &fwrt->status))