From fdf5e7d9664fa8822d1f69f5187bf5b11907780f Mon Sep 17 00:00:00 2001 From: Luca Coelho Date: Fri, 6 Mar 2020 15:16:25 +0200 Subject: [PATCH] iwlwifi: dbg: don't abort if sending DBGC_SUSPEND_RESUME fails commit 4b0e9cc57f25ec6f6831b05b6f1a60a4cc98a391 upstream. If the firmware is in a bad state or not initialized fully, sending the DBGC_SUSPEND_RESUME command fails but we can still collect logs. Instead of aborting the entire dump process, simply ignore the error. By removing the last callpoint that was checking the return value, we can also convert the function to return void. Signed-off-by: Luca Coelho Fixes: 9b7b6caea0c5 ("iwlwifi: dbg: support debug recording suspend resume command") Signed-off-by: Luca Coelho Link: https://lore.kernel.org/r/iwlwifi.20200306151129.dcec37b2efd4.I8dcd190431d110a6a0e88095ce93591ccfb3d78d@changeid Signed-off-by: Greg Kroah-Hartman --- drivers/net/wireless/intel/iwlwifi/fw/dbg.c | 15 +++++---------- drivers/net/wireless/intel/iwlwifi/fw/dbg.h | 6 +++--- 2 files changed, 8 insertions(+), 13 deletions(-) diff --git a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c index ef65e1ea374fd..cb5465d9c0686 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c +++ b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c @@ -2311,10 +2311,7 @@ static void iwl_fw_dbg_collect_sync(struct iwl_fw_runtime *fwrt, u8 wk_idx) goto out; } - if (iwl_fw_dbg_stop_restart_recording(fwrt, ¶ms, true)) { - IWL_ERR(fwrt, "Failed to stop DBGC recording, aborting dump\n"); - goto out; - } + iwl_fw_dbg_stop_restart_recording(fwrt, ¶ms, true); IWL_DEBUG_FW_INFO(fwrt, "WRT: Data collection start\n"); if (iwl_trans_dbg_ini_valid(fwrt->trans)) @@ -2480,14 +2477,14 @@ static int iwl_fw_dbg_restart_recording(struct iwl_trans *trans, return 0; } -int iwl_fw_dbg_stop_restart_recording(struct iwl_fw_runtime *fwrt, - struct iwl_fw_dbg_params *params, - bool stop) +void iwl_fw_dbg_stop_restart_recording(struct iwl_fw_runtime *fwrt, + struct iwl_fw_dbg_params *params, + bool stop) { int ret = 0; if (test_bit(STATUS_FW_ERROR, &fwrt->trans->status)) - return 0; + return; if (fw_has_capa(&fwrt->fw->ucode_capa, IWL_UCODE_TLV_CAPA_DBG_SUSPEND_RESUME_CMD_SUPP)) @@ -2504,7 +2501,5 @@ int iwl_fw_dbg_stop_restart_recording(struct iwl_fw_runtime *fwrt, iwl_fw_set_dbg_rec_on(fwrt); } #endif - - return ret; } IWL_EXPORT_SYMBOL(iwl_fw_dbg_stop_restart_recording); diff --git a/drivers/net/wireless/intel/iwlwifi/fw/dbg.h b/drivers/net/wireless/intel/iwlwifi/fw/dbg.h index e3b5dd34643f5..2ac61629f46f4 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/dbg.h +++ b/drivers/net/wireless/intel/iwlwifi/fw/dbg.h @@ -263,9 +263,9 @@ _iwl_fw_dbg_trigger_simple_stop(struct iwl_fw_runtime *fwrt, _iwl_fw_dbg_trigger_simple_stop((fwrt), (wdev), \ iwl_fw_dbg_get_trigger((fwrt)->fw,\ (trig))) -int iwl_fw_dbg_stop_restart_recording(struct iwl_fw_runtime *fwrt, - struct iwl_fw_dbg_params *params, - bool stop); +void iwl_fw_dbg_stop_restart_recording(struct iwl_fw_runtime *fwrt, + struct iwl_fw_dbg_params *params, + bool stop); #ifdef CONFIG_IWLWIFI_DEBUGFS static inline void iwl_fw_set_dbg_rec_on(struct iwl_fw_runtime *fwrt) -- 2.39.5