set to default value with config is missing (#7320)

api/emoji.go

@@ -59,7 +59,7 @@ func createEmoji(c *Context, w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	if len(utils.Cfg.FileSettings.DriverName) == 0 {
+	if len(*utils.Cfg.FileSettings.DriverName) == 0 {
 		c.Err = model.NewLocAppError("createEmoji", "api.emoji.storage.app_error", nil, "")
 		c.Err.StatusCode = http.StatusNotImplemented
 		return
@@ -137,7 +137,7 @@ func deleteEmoji(c *Context, w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	if len(utils.Cfg.FileSettings.DriverName) == 0 {
+	if len(*utils.Cfg.FileSettings.DriverName) == 0 {
 		c.Err = model.NewLocAppError("deleteImage", "api.emoji.storage.app_error", nil, "")
 		c.Err.StatusCode = http.StatusNotImplemented
 		return
@@ -179,7 +179,7 @@ func getEmojiImage(c *Context, w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	if len(utils.Cfg.FileSettings.DriverName) == 0 {
+	if len(*utils.Cfg.FileSettings.DriverName) == 0 {
 		c.Err = model.NewLocAppError("getEmojiImage", "api.emoji.storage.app_error", nil, "")
 		c.Err.StatusCode = http.StatusNotImplemented
 		return