tty: vt: add new helper for reseting vc parameters

[linux-2.6-microblaze.git] / drivers / tty / vt / vt.c

diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index 4d020a9..b0f691d 100644 (file)
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -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 */