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| author | David S. Miller <davem@davemloft.net> | 2010-10-06 19:11:17 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-10-06 19:11:17 -0700 |
| commit | 12e94471b2be5ef9b55b10004a3a2cd819490036 (patch) | |
| tree | f84ae818687dc7c35bd54f11bfb9717278d28a4e /kernel/sys.c | |
| parent | 79315068f4560f3f7bd6e9790190dcb43059770c (diff) | |
| parent | cb655d0f3d57c23db51b981648e452988c0223f9 (diff) | |
| download | kernel_samsung_smdk4412-12e94471b2be5ef9b55b10004a3a2cd819490036.zip kernel_samsung_smdk4412-12e94471b2be5ef9b55b10004a3a2cd819490036.tar.gz kernel_samsung_smdk4412-12e94471b2be5ef9b55b10004a3a2cd819490036.tar.bz2 | |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'kernel/sys.c')
| -rw-r--r-- | kernel/sys.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/sys.c b/kernel/sys.c index e9ad444..7f5a0cd 100644 --- a/kernel/sys.c +++ b/kernel/sys.c @@ -931,6 +931,7 @@ SYSCALL_DEFINE2(setpgid, pid_t, pid, pid_t, pgid) pgid = pid; if (pgid < 0) return -EINVAL; + rcu_read_lock(); /* From this point forward we keep holding onto the tasklist lock * so that our parent does not change from under us. -DaveM @@ -984,6 +985,7 @@ SYSCALL_DEFINE2(setpgid, pid_t, pid, pid_t, pgid) out: /* All paths lead to here, thus we are safe. -DaveM */ write_unlock_irq(&tasklist_lock); + rcu_read_unlock(); return err; } |