diff options
| -rw-r--r-- | drivers/char/vt.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/char/vt.c b/drivers/char/vt.c index 665103ccaee8..27b6c297906a 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; |