hamradio: baycom: replace strcpy() with strscpy()

The strcpy() function has been deprecated and replaced with strscpy().
There is an effort to make this change treewide:
https://github.com/KSPP/linux/issues/88.

Signed-off-by: Ethan Carter Edwards <[e-mail]>
Reviewed-by: Dan Carpenter <[e-mail]>
Link: https://patch.msgid.link/3qo3fbrak7undfgocsi2s74v4uyjbylpdqhie4dohfoh4welfn@joq7up65ug6v
Signed-off-by: Jakub Kicinski <[e-mail]>

drivers/net/hamradio/baycom_par.c

···
 		break;
 
 	case HDLCDRVCTL_GETMODE:
-		strcpy(hi->data.modename, bc->options ? "par96" : "picpar");
+		strscpy(hi->data.modename, bc->options ? "par96" : "picpar");
 		if (copy_to_user(data, hi, sizeof(struct hdlcdrv_ioctl)))
 			return -EFAULT;
 		return 0;
···
 		return baycom_setmode(bc, hi->data.modename);
 
 	case HDLCDRVCTL_MODELIST:
-		strcpy(hi->data.modename, "par96,picpar");
+		strscpy(hi->data.modename, "par96,picpar");
 		if (copy_to_user(data, hi, sizeof(struct hdlcdrv_ioctl)))
 			return -EFAULT;
 		return 0;

drivers/net/hamradio/baycom_ser_fdx.c

···
 		return baycom_setmode(bc, hi->data.modename);
 
 	case HDLCDRVCTL_MODELIST:
-		strcpy(hi->data.modename, "ser12,ser3,ser24");
+		strscpy(hi->data.modename, "ser12,ser3,ser24");
 		if (copy_to_user(data, hi, sizeof(struct hdlcdrv_ioctl)))
 			return -EFAULT;
 		return 0;

drivers/net/hamradio/baycom_ser_hdx.c

···
 		break;
 
 	case HDLCDRVCTL_GETMODE:
-		strcpy(hi->data.modename, "ser12");
+		strscpy(hi->data.modename, "ser12");
 		if (bc->opt_dcd <= 0)
 			strcat(hi->data.modename, (!bc->opt_dcd) ? "*" : (bc->opt_dcd == -2) ? "@" : "+");
 		if (copy_to_user(data, hi, sizeof(struct hdlcdrv_ioctl)))
···
 		return baycom_setmode(bc, hi->data.modename);
 
 	case HDLCDRVCTL_MODELIST:
-		strcpy(hi->data.modename, "ser12");
+		strscpy(hi->data.modename, "ser12");
 		if (copy_to_user(data, hi, sizeof(struct hdlcdrv_ioctl)))
 			return -EFAULT;
 		return 0;