[PATCH] kdb: delete unexecuted if-block in kdb_get_kbd_char()
From: Matvey Kovalev
Date: Fri Oct 03 2025 - 11:13:35 EST
Bits of scancode are dropped except 7 low-order ones.
So, scancode can't be equal 0xe0.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Signed-off-by: Matvey Kovalev <matvey.kovalev@xxxxxxxxx>
---
kernel/debug/kdb/kdb_keyboard.c | 3 ---
1 file changed, 3 deletions(-)
diff --git a/kernel/debug/kdb/kdb_keyboard.c b/kernel/debug/kdb/kdb_keyboard.c
index 3a74604fdb8a7..386d30e530b78 100644
--- a/kernel/debug/kdb/kdb_keyboard.c
+++ b/kernel/debug/kdb/kdb_keyboard.c
@@ -145,9 +145,6 @@ int kdb_get_kbd_char(void)
return CTRL('F');
}
- if (scancode == 0xe0)
- return -1;
-
/*
* For Japanese 86/106 keyboards
* See comment in drivers/char/pc_keyb.c.
--
2.43.0.windows.1