Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=ac9a8e3f0f43d20fc316162e8e5f9186d295ff49
Commit: ac9a8e3f0f43d20fc316162e8e5f9186d295ff49
Parent: 44c4e1b2581f7273ab14ef30b6430618801c57b1
Author: Oleg Nesterov <[EMAIL PROTECTED]>
AuthorDate: Fri Feb 8 04:19:15 2008 -0800
Committer: Linus Torvalds <[EMAIL PROTECTED]>
CommitDate: Fri Feb 8 09:22:28 2008 -0800
sys_getsid: don't use ->nsproxy directly
With the new semantics of find_vpid() we don't need to play with ->nsproxy
explicitely, _vxx() do the right things.
Also s/tasklist/rcu/.
Signed-off-by: Oleg Nesterov <[EMAIL PROTECTED]>
Cc: "Eric W. Biederman" <[EMAIL PROTECTED]>
Cc: Pavel Emelyanov <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
---
kernel/sys.c | 11 ++++-------
1 files changed, 4 insertions(+), 7 deletions(-)
diff --git a/kernel/sys.c b/kernel/sys.c
index ee2e78d..5a61f80 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -1025,19 +1025,16 @@ asmlinkage long sys_getsid(pid_t pid)
else {
int retval;
struct task_struct *p;
- struct pid_namespace *ns;
-
- ns = current->nsproxy->pid_ns;
- read_lock(&tasklist_lock);
- p = find_task_by_pid_ns(pid, ns);
+ rcu_read_lock();
+ p = find_task_by_vpid(pid);
retval = -ESRCH;
if (p) {
retval = security_task_getsid(p);
if (!retval)
- retval = task_session_nr_ns(p, ns);
+ retval = task_session_vnr(p);
}
- read_unlock(&tasklist_lock);
+ rcu_read_unlock();
return retval;
}
}
-
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