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| author | Mauro Carvalho Chehab <mchehab@redhat.com> | 2011-09-17 10:29:49 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2011-09-17 10:29:49 -0300 |
| commit | 7577911244c437f4a4abac5e4b67b059c06dbe9d (patch) | |
| tree | 4f0078ddacff226e26b03fa4f6cf185d48633124 /drivers/connector/cn_proc.c | |
| parent | 418d93ac0be6d4a410731b80af4e836614ffe73e (diff) | |
| parent | b6fd41e29dea9c6753b1843a77e50433e6123bcb (diff) | |
| download | talos-op-linux-7577911244c437f4a4abac5e4b67b059c06dbe9d.tar.gz talos-op-linux-7577911244c437f4a4abac5e4b67b059c06dbe9d.zip | |
Merge tag 'v3.1-rc6' into staging/for_v3.2
* tag 'v3.1-rc6': (1902 commits)
Linux 3.1-rc6
ioctl: register LTTng ioctl
fuse: fix memory leak
fuse: fix flock breakage
Btrfs: add dummy extent if dst offset excceeds file end in
Btrfs: calc file extent num_bytes correctly in file clone
btrfs: xattr: fix attribute removal
Btrfs: fix wrong nbytes information of the inode
Btrfs: fix the file extent gap when doing direct IO
Btrfs: fix unclosed transaction handle in btrfs_cont_expand
Btrfs: fix misuse of trans block rsv
Btrfs: reset to appropriate block rsv after orphan operations
Btrfs: skip locking if searching the commit root in csum lookup
btrfs: fix warning in iput for bad-inode
Btrfs: fix an oops when deleting snapshots
[media] vp7045: fix buffer setup
[media] nuvoton-cir: simplify raw IR sample handling
[media] [Resend] viacam: Don't explode if pci_find_bus() returns NULL
[media] v4l2: Fix documentation of the codec device controls
[media] gspca - sonixj: Fix the darkness of sensor om6802 in 320x240
...
Diffstat (limited to 'drivers/connector/cn_proc.c')
| -rw-r--r-- | drivers/connector/cn_proc.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/connector/cn_proc.c b/drivers/connector/cn_proc.c index 3ee1fdb31ea7..e55814bc0d06 100644 --- a/drivers/connector/cn_proc.c +++ b/drivers/connector/cn_proc.c @@ -57,6 +57,7 @@ void proc_fork_connector(struct task_struct *task) struct proc_event *ev; __u8 buffer[CN_PROC_MSG_SIZE]; struct timespec ts; + struct task_struct *parent; if (atomic_read(&proc_event_num_listeners) < 1) return; @@ -67,8 +68,11 @@ void proc_fork_connector(struct task_struct *task) ktime_get_ts(&ts); /* get high res monotonic timestamp */ put_unaligned(timespec_to_ns(&ts), (__u64 *)&ev->timestamp_ns); ev->what = PROC_EVENT_FORK; - ev->event_data.fork.parent_pid = task->real_parent->pid; - ev->event_data.fork.parent_tgid = task->real_parent->tgid; + rcu_read_lock(); + parent = rcu_dereference(task->real_parent); + ev->event_data.fork.parent_pid = parent->pid; + ev->event_data.fork.parent_tgid = parent->tgid; + rcu_read_unlock(); ev->event_data.fork.child_pid = task->pid; ev->event_data.fork.child_tgid = task->tgid; |
