libfshelp: Fix errno value leakv0.9.git20191228

When the last translator box contains a port to a died translator, we do
not want to consider this as a whole failure.

* libfshelp/translator-list.c (fshelp_get_active_translators): On
mach_port_mod_refs failure, reset err to 0.

1 files changed, 4 insertions, 1 deletions

diff --git a/libfshelp/translator-list.c b/libfshelp/translator-list.c
index 92b31dd0..63088fe9 100644
--- a/libfshelp/translator-list.c
+++ b/libfshelp/translator-list.c
@@ -219,7 +219,10 @@ fshelp_get_active_translators (char **translators,
       err = mach_port_mod_refs (mach_task_self (), t->active,
 				MACH_PORT_RIGHT_SEND, +1);
       if (err)
-	continue;
+	{
+	  err = 0;
+	  continue;
+	}
       (*controls)[*controls_count] = t->active;
       (*controls_count)++;