diff --git a/umac/regulatory/core/src/reg_services_common.c b/umac/regulatory/core/src/reg_services_common.c
index 8cf19a04226f..fab24c194507 100644
--- a/umac/regulatory/core/src/reg_services_common.c
+++ b/umac/regulatory/core/src/reg_services_common.c
@@ -1318,7 +1318,7 @@ uint32_t reg_freq_to_chan(struct wlan_objmgr_pdev *pdev,
 
 	if (!IS_VALID_PDEV_REG_OBJ(pdev_priv_obj)) {
 		reg_err("reg pdev priv obj is NULL");
-		return QDF_STATUS_E_FAILURE;
+		return 0;
 	}
 
 	chan_list = pdev_priv_obj->cur_chan_list;
@@ -1343,7 +1343,7 @@ uint32_t reg_chan_to_freq(struct wlan_objmgr_pdev *pdev,
 
 	if (!IS_VALID_PDEV_REG_OBJ(pdev_priv_obj)) {
 		reg_err("reg pdev priv obj is NULL");
-		return QDF_STATUS_E_FAILURE;
+		return 0;
 	}
 
 	chan_list = pdev_priv_obj->cur_chan_list;
diff --git a/umac/regulatory/core/src/reg_services_common.h b/umac/regulatory/core/src/reg_services_common.h
index 52df9be9558e..5525208025be 100644
--- a/umac/regulatory/core/src/reg_services_common.h
+++ b/umac/regulatory/core/src/reg_services_common.h
@@ -241,7 +241,7 @@ bool reg_is_dfs_ch(struct wlan_objmgr_pdev *pdev, uint32_t chan);
  * @pdev: Pointer to pdev
  * @freq: Channel frequency
  *
- * Return: Channel number
+ * Return: Channel number if success, otherwise 0
  */
 uint32_t reg_freq_to_chan(struct wlan_objmgr_pdev *pdev, uint32_t freq);
 
@@ -250,7 +250,7 @@ uint32_t reg_freq_to_chan(struct wlan_objmgr_pdev *pdev, uint32_t freq);
  * @pdev: Pointer to pdev
  * @chan_num: Channel number
  *
- * Return: Channel frequency
+ * Return: Channel frequency if success, otherwise 0
  */
 uint32_t reg_chan_to_freq(struct wlan_objmgr_pdev *pdev, uint32_t chan_num);