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-rw-r--r--tools/power/acpi/os_specific/service_layers/osunixxf.c8
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)) {