Re: [PATCH v3] tty: vt: keyboard: add default switch-case, to handle smatch-warnings in method vt_do_kdgkb_ioctl

From: Pavel Skripkin
Date: Sat Nov 06 2021 - 18:13:17 EST


On 11/7/21 01:03, Ajay Garg wrote:
diff --git a/drivers/tty/vt/keyboard.c b/drivers/tty/vt/keyboard.c
index c7fbbcdcc346..b83e7669658d 100644
--- a/drivers/tty/vt/keyboard.c
+++ b/drivers/tty/vt/keyboard.c
@@ -2090,6 +2090,12 @@ int vt_do_kdgkb_ioctl(int cmd, struct kbsentry __user *user_kdgkb, int perm)
ret = 0;
break;
+ default: {
+ kbs = NULL;
+ ret = -ENOIOCTLCMD;
+
+ break;
+ }

Are these brackets needed here? There are no local variables inside default case.


just my 2c,

With regards,
Pavel Skripkin