Propagate lower level errors to callers instead of returning unknown

error for most failures

1 files changed, 3 insertions, 1 deletions

diff --git a/src/property_list_service.c b/src/property_list_service.c
index a5bdf9b..f411699 100644
--- a/src/property_list_service.c
+++ b/src/property_list_service.c
@@ -98,7 +98,8 @@ LIBIMOBILEDEVICE_API property_list_service_error_t property_list_service_client_
  * @return PROPERTY_LIST_SERVICE_E_SUCCESS on success,
  *      PROPERTY_LIST_SERVICE_E_INVALID_ARG when one or more parameters are
  *      invalid, PROPERTY_LIST_SERVICE_E_PLIST_ERROR when dict is not a valid
- *      plist, or PROPERTY_LIST_SERVICE_E_UNKNOWN_ERROR when an unspecified
+ *      plist, PROPERTY_LIST_SERVICE_E_MUX_ERROR when a communication error
+ *      occurs, or PROPERTY_LIST_SERVICE_E_UNKNOWN_ERROR when an unspecified
  *      error occurs.
  */
 static property_list_service_error_t internal_plist_send(property_list_service_client_t client, plist_t plist, int binary)
@@ -140,6 +141,7 @@ static property_list_service_error_t internal_plist_send(property_list_service_c
         }
         if (bytes <= 0) {
                 debug_info("ERROR: sending to device failed.");
+                res = PROPERTY_LIST_SERVICE_E_MUX_ERROR;
         }
 
         free(content);