Commit 4538c5ed authored by Johannes Berg's avatar Johannes Berg Committed by Kalle Valo
Browse files

iwlwifi: avoid crash on unsupported debug collection 



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

Fixes: d0129315 ("iwlwifi: dbg: add op_mode callback for collecting debug data.")
Reported-by: default avatarAndy Lavr <andy.lavr@gmail.com>
Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
Signed-off-by: default avatarKalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20210219133506.ecabe285bc7d.I73d230d555c595fa2d9bf284f80078729fe18aa4@changeid
parent 94f0e625

drivers/net/wireless/intel/iwlwifi/iwl-op-mode.h

+2 −0
Original line number Diff line number Diff line
@@ -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);

}