1 files changed, 8 insertions, 0 deletions

diff --git a/tools/power/acpi/os_specific/service_layers/osunixxf.c b/tools/power/acpi/os_specific/service_layers/osunixxf.c
index 60b58cd18410..7ccb073f8316 100644
--- a/tools/power/acpi/os_specific/service_layers/osunixxf.c
+++ b/tools/power/acpi/os_specific/service_layers/osunixxf.c
@@ -122,6 +122,14 @@ static void os_enter_line_edit_mode(void)
 {
         struct termios local_term_attributes;
 
+        term_attributes_were_set = 0;
+
+        /* STDIN must be a terminal */
+
+        if (!isatty(STDIN_FILENO)) {
+                return;
+        }
+
         /* Get and keep the original attributes */
 
         if (tcgetattr(STDIN_FILENO, &original_term_attributes)) {