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iwlwifi: avoid crash on unsupported debug collection

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If the opmode doesn't support debug collection (DVM) then don't
crash, but just skip the callback.

Fixes: d01293154c0a ("iwlwifi: dbg: add op_mode callback for collecting debug data.")
Reported-by: Andy Lavr <andy.lavr@gmail.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20210219133506.ecabe285bc7d.I73d230d555c595fa2d9bf284f80078729fe18aa4@changeid
This commit is contained in:
Johannes Berg 2021-02-19 13:35:07 +01:00 committed by Kalle Valo
parent 94f0e6256c
commit 4538c5ed0f
1 changed files with 2 additions and 0 deletions
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2
drivers/net/wireless/intel/iwlwifi/iwl-op-mode.h
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@ -205,6 +205,8 @@ static inline void iwl_op_mode_time_point(struct iwl_op_mode *op_mode,
enum iwl_fw_ini_time_point tp_id,
union iwl_dbg_tlv_tp_data *tp_data)
{
if (!op_mode || !op_mode->ops || !op_mode->ops->time_point)
return;
op_mode->ops->time_point(op_mode, tp_id, tp_data);
}