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| author | Alan Cox <alan@redhat.com> | 2008-10-13 10:40:30 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-10-13 09:51:41 -0700 |
| commit | 2cb5998b5f0ccc886fdda3509059eef297b49577 (patch) | |
| tree | 9113731d3f892c2e164bfd05a7cf1a4b1713a619 /fs/open.c | |
| parent | 216ba023a96c04e8d3aabf83d5931c35b6e2dbbb (diff) | |
| download | lwn-2cb5998b5f0ccc886fdda3509059eef297b49577.tar.gz lwn-2cb5998b5f0ccc886fdda3509059eef297b49577.zip | |
tty: the vhangup syscall is racy
We now have the infrastructure to sort this out but rather than teaching
the syscall tty lock rules we move the hard work into a tty helper
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/open.c')
| -rw-r--r-- | fs/open.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/fs/open.c b/fs/open.c index 07da9359481c..5596049863bf 100644 --- 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; |