[patch] 2.6.0-test9-bk5-IO_UNIMAP-current-con.patch

2.6.0-test9-bk5-IO_UNIMAP-current-con.patch (text/plain), 1.43 KB, created by Martin Schlemmer (RETIRED) on 2003-11-01 15:47:36 UTC

--- 1/drivers/char/vt_ioctl.c	2003-11-02 01:34:04.884866192 +0200
+++ 2/drivers/char/vt_ioctl.c	2003-11-02 01:44:39.906328256 +0200
@@ -332,10 +332,13 @@
 }
 
 static inline int 
-do_unimap_ioctl(int cmd, struct unimapdesc *user_ud,int perm)
+_do_unimap_ioctl(int cmd, int con, struct unimapdesc *user_ud,int perm)
 {
 	struct unimapdesc tmp;
-	int i = 0; 
+	int i = 0;
+
+	if (!vc_cons_allocated(con))        /* impossible? */
+		return -ENOIOCTLCMD;
 
 	if (copy_from_user(&tmp, user_ud, sizeof tmp))
 		return -EFAULT;
@@ -348,13 +351,19 @@
 	case PIO_UNIMAP:
 		if (!perm)
 			return -EPERM;
-		return con_set_unimap(fg_console, tmp.entry_ct, tmp.entries);
+		return con_set_unimap(con, tmp.entry_ct, tmp.entries);
 	case GIO_UNIMAP:
-		return con_get_unimap(fg_console, tmp.entry_ct, &(user_ud->entry_ct), tmp.entries);
+		return con_get_unimap(con, tmp.entry_ct, &(user_ud->entry_ct), tmp.entries);
 	}
 	return 0;
 }
 
+static inline int
+do_unimap_ioctl(int cmd, struct unimapdesc *user_ud,int perm)
+{
+	return _do_unimap_ioctl(cmd, fg_console, user_ud, perm);
+}
+
 /*
  * We handle the console-specific ioctl's here.  We allow the
  * capability to modify any console, not just the fg_console. 
@@ -972,7 +981,7 @@
 
 	case PIO_UNIMAP:
 	case GIO_UNIMAP:
-		return do_unimap_ioctl(cmd, (struct unimapdesc *)arg, perm);
+		return _do_unimap_ioctl(cmd, console, (struct unimapdesc *)arg, perm);
 
 	case VT_LOCKSWITCH:
 		if (!capable(CAP_SYS_TTY_CONFIG))