From: Andrei Otcheretianski <[email protected]>

FW dump may be triggered when running init ucode, for example due to a
sysassert. In this case fw_dump_wk may run after mvm is freed, resulting
in a kernel panic.
Fix it by flushing the work.

Fixes: 01b988a708af ("iwlwifi: mvm: allow to collect debug data when restart is 
disabled")
Cc: <[email protected]> [3.18+]
Signed-off-by: Andrei Otcheretianski <[email protected]>
Signed-off-by: Luca Coelho <[email protected]>
---
 drivers/net/wireless/iwlwifi/mvm/ops.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/wireless/iwlwifi/mvm/ops.c 
b/drivers/net/wireless/iwlwifi/mvm/ops.c
index a37de3f..f0cb092 100644
--- a/drivers/net/wireless/iwlwifi/mvm/ops.c
+++ b/drivers/net/wireless/iwlwifi/mvm/ops.c
@@ -590,6 +590,7 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct 
iwl_cfg *cfg,
        ieee80211_unregister_hw(mvm->hw);
        iwl_mvm_leds_exit(mvm);
  out_free:
+       flush_delayed_work(&mvm->fw_dump_wk);
        iwl_phy_db_free(mvm->phy_db);
        kfree(mvm->scan_cmd);
        if (!cfg->no_power_up_nic_in_init || !mvm->nvm_file_name)
-- 
2.5.3

--
To unsubscribe from this list: send the line "unsubscribe stable" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to