diff options
| author | Eric W. Biederman <ebiederm@xmission.com> | 2006-10-02 02:17:15 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-10-02 07:57:14 -0700 |
| commit | 609d7fa9565c754428d2520cac2accc9052e1245 (patch) | |
| tree | 1c5114ec3720166fe99ce3885e8767929a8a84e0 /kernel/futex.c | |
| parent | bde0d2c98bcfc9acc83ac79c33a6ac1335b95a92 (diff) | |
| download | lwn-609d7fa9565c754428d2520cac2accc9052e1245.tar.gz lwn-609d7fa9565c754428d2520cac2accc9052e1245.zip | |
[PATCH] file: modify struct fown_struct to use a struct pid
File handles can be requested to send sigio and sigurg to processes. By
tracking the destination processes using struct pid instead of pid_t we make
the interface safe from all potential pid wrap around problems.
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'kernel/futex.c')
| -rw-r--r-- | kernel/futex.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/futex.c b/kernel/futex.c index 4b6770e9806d..4aaf91951a43 100644 --- a/kernel/futex.c +++ b/kernel/futex.c @@ -1527,7 +1527,7 @@ static int futex_fd(u32 __user *uaddr, int signal) filp->f_mapping = filp->f_dentry->d_inode->i_mapping; if (signal) { - err = f_setown(filp, current->pid, 1); + err = __f_setown(filp, task_pid(current), PIDTYPE_PID, 1); if (err < 0) { goto error; } |