@@ -2548,6 +2548,12 @@ static void csi_ECMA(struct tty_struct *tty, struct vc_data *vc, u8 c)
}
+static void vc_reset_params(struct vc_data *vc)
+{
+ memset(vc->vc_par, 0, sizeof(vc->vc_par));
+ vc->vc_npar = 0;
+}
+
/* console_lock is held */
static void do_con_trol(struct tty_struct *tty, struct vc_data *vc, u8 c)
{
@@ -2568,9 +2574,7 @@ static void do_con_trol(struct tty_struct *tty, struct vc_data *vc, u8 c)
return;
case ESnonstd: /* ESC ] aka OSC */
if (c=='P') { /* palette escape sequence */
- for (vc->vc_npar = 0; vc->vc_npar < NPAR; vc->vc_npar++)
- vc->vc_par[vc->vc_npar] = 0;
- vc->vc_npar = 0;
+ vc_reset_params(vc);
vc->vc_state = ESpalette;
return;
} else if (c=='R') { /* reset palette */
@@ -2599,9 +2603,8 @@ static void do_con_trol(struct tty_struct *tty, struct vc_data *vc, u8 c)
vc->vc_state = ESnormal;
return;
case ESsquare: /* ESC [ aka CSI, parameters or modifiers expected */
- for (vc->vc_npar = 0; vc->vc_npar < NPAR; vc->vc_npar++)
- vc->vc_par[vc->vc_npar] = 0;
- vc->vc_npar = 0;
+ vc_reset_params(vc);
+
vc->vc_state = ESgetpars;
switch (c) {
case '[': /* Function key */
The code to reset the vc parameter parsing is repeated on two locations. Create a helper vc_reset_params() and use it on both of them. And instead of a 'for' loop to clear the array of parameters, use simpler memset(). Signed-off-by: Jiri Slaby (SUSE) <jirislaby@kernel.org> --- drivers/tty/vt/vt.c | 15 +++++++++------ 1 file changed, 9 insertions(+), 6 deletions(-)