X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fchar%2Fvt.c;h=27b6c297906a12954068010f18ee694a5e3b268c;hb=6c231b7bab0aa6860cd9da2de8a064eddc34c146;hp=665103ccaee83b69b6ca30a7fda0f40eec8983f7;hpb=3ec8a773d2775db86cc21d28b77bea29c8a1ea3c;p=linux-2.6

diff --git a/drivers/char/vt.c b/drivers/char/vt.c
index 665103ccae..27b6c29790 100644
--- a/drivers/char/vt.c
+++ b/drivers/char/vt.c
@@ -2272,7 +2272,9 @@ int tioclinux(struct tty_struct *tty, unsigned long arg)
 			ret = paste_selection(tty);
 			break;
 		case TIOCL_UNBLANKSCREEN:
+			acquire_console_sem();
 			unblank_screen();
+			release_console_sem();
 			break;
 		case TIOCL_SELLOADLUT:
 			ret = sel_loadlut(p);
@@ -2317,8 +2319,10 @@ int tioclinux(struct tty_struct *tty, unsigned long arg)
 			}
 			break;
 		case TIOCL_BLANKSCREEN:	/* until explicitly unblanked, not only poked */
+			acquire_console_sem();
 			ignore_poke = 1;
 			do_blank_screen(0);
+			release_console_sem();
 			break;
 		case TIOCL_BLANKEDSCREEN:
 			ret = console_blanked;