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| author | Jiri Kosina <jkosina@suse.cz> | 2011-09-15 17:08:05 +0400 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2011-09-15 17:08:18 +0400 |
| commit | e060c38434b2caa78efe7cedaff4191040b65a15 (patch) | |
| tree | 407361230bf6733f63d8e788e4b5e6566ee04818 /drivers/connector | |
| parent | 10e4ac572eeffe5317019bd7330b6058a400dfc2 (diff) | |
| parent | cc39c6a9bbdebfcf1a7dee64d83bf302bc38d941 (diff) | |
| download | linux-e060c38434b2caa78efe7cedaff4191040b65a15.tar.xz | |
Merge branch 'master' into for-next
Fast-forward merge with Linus to be able to merge patches
based on more recent version of the tree.
Diffstat (limited to 'drivers/connector')
| -rw-r--r-- | drivers/connector/cn_proc.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/connector/cn_proc.c b/drivers/connector/cn_proc.c index 0debc17c8e28..e55814bc0d06 100644 --- a/drivers/connector/cn_proc.c +++ b/drivers/connector/cn_proc.c @@ -29,7 +29,8 @@ #include <linux/connector.h> #include <linux/gfp.h> #include <linux/ptrace.h> -#include <asm/atomic.h> +#include <linux/atomic.h> + #include <asm/unaligned.h> #include <linux/cn_proc.h> @@ -56,6 +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; @@ -66,8 +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; |