ath10k: cleanup ath10k_mac_register() error handling

The logic in the error-handling path of ath10k_mac_register() is
divergent from the logic in ath10k_mac_unregister().  Update the
ath10k_mac_register() error handling logic to align with the
ath10k_mac_unregister() logic.

Signed-off-by: Jeff Johnson <jjohnson@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>

diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c
index 6bfaead..f00aafd 100644 (file)
--- a/drivers/net/wireless/ath/ath10k/mac.c
+++ b/drivers/net/wireless/ath/ath10k/mac.c
@@ -7304,7 +7304,7 @@ int ath10k_mac_register(struct ath10k *ar)
                            ath10k_reg_notifier);
        if (ret) {
                ath10k_err(ar, "failed to initialise regulatory: %i\n", ret);
-               goto err_free;
+               goto err_dfs_detector_exit;
        }
 
        ar->hw->wiphy->cipher_suites = cipher_suites;
@@ -7313,7 +7313,7 @@ int ath10k_mac_register(struct ath10k *ar)
        ret = ieee80211_register_hw(ar->hw);
        if (ret) {
                ath10k_err(ar, "failed to register ieee80211: %d\n", ret);
-               goto err_free;
+               goto err_dfs_detector_exit;
        }
 
        if (!ath_is_world_regd(&ar->ath_common.regulatory)) {
@@ -7327,10 +7327,16 @@ int ath10k_mac_register(struct ath10k *ar)
 
 err_unregister:
        ieee80211_unregister_hw(ar->hw);
+
+err_dfs_detector_exit:
+       if (config_enabled(CONFIG_ATH10K_DFS_CERTIFIED) && ar->dfs_detector)
+               ar->dfs_detector->exit(ar->dfs_detector);
+
 err_free:
        kfree(ar->mac.sbands[IEEE80211_BAND_2GHZ].channels);
        kfree(ar->mac.sbands[IEEE80211_BAND_5GHZ].channels);
 
+       SET_IEEE80211_DEV(ar->hw, NULL);
        return ret;
 }