iwlwifi: pcie: dump_stack upon timeout of SYNC cmd

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

diff --git a/drivers/net/wireless/iwlwifi/pcie/tx.c b/drivers/net/wireless/iwlwifi/pcie/tx.c
index f45eb29..a70a30e 100644 (file)
--- a/drivers/net/wireless/iwlwifi/pcie/tx.c
+++ b/drivers/net/wireless/iwlwifi/pcie/tx.c
@@ -1529,6 +1529,7 @@ static int iwl_pcie_send_hcmd_sync(struct iwl_trans *trans,
                                "Error sending %s: time out after %dms.\n",
                                get_cmd_string(trans_pcie, cmd->id),
                                jiffies_to_msecs(HOST_COMPLETE_TIMEOUT));
+                       dump_stack();
 
                        IWL_ERR(trans,
                                "Current CMD queue read_ptr %d write_ptr %d\n",