tty: the vhangup syscall is racy

[linux-2.6-omap-h63xx.git] / fs / open.c

diff --git a/fs/open.c b/fs/open.c
index 07da9359481c720c045e2a25e154df02ba02e9ff..5596049863bf742eadb115bafe0deef35b209421 100644 (file)
--- a/fs/open.c
+++ b/fs/open.c
@@ -1141,8 +1141,7 @@ EXPORT_SYMBOL(sys_close);
 asmlinkage long sys_vhangup(void)
 {
        if (capable(CAP_SYS_TTY_CONFIG)) {
-               /* XXX: this needs locking */
-               tty_vhangup(current->signal->tty);
+               tty_vhangup_self();
                return 0;
        }
        return -EPERM;