tty: vt: use switch+case in the ESgetpars case

To be uniform in the 'c' handling, use switch-case (with ranges) even in
the ESgetpars case in do_con_trol().

Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20240202065608.14019-21-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index b5fc3b8..b3c61ec 100644 (file)
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -2628,10 +2628,14 @@ static void do_con_trol(struct tty_struct *tty, struct vc_data *vc, u8 c)
                vc->vc_priv = EPecma;
                fallthrough;
        case ESgetpars: /* ESC [ aka CSI, parameters expected */
-               if (c == ';' && vc->vc_npar < NPAR - 1) {
-                       vc->vc_npar++;
-                       return;
-               } else if (c>='0' && c<='9') {
+               switch (c) {
+               case ';':
+                       if (vc->vc_npar < NPAR - 1) {
+                               vc->vc_npar++;
+                               return;
+                       }
+                       break;
+               case '0' ... '9':
                        vc->vc_par[vc->vc_npar] *= 10;
                        vc->vc_par[vc->vc_npar] += c - '0';
                        return;