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| author | Dave Airlie <airlied@redhat.com> | 2010-09-24 15:37:33 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2010-09-24 15:37:33 +1000 |
| commit | 4a445f291ac3faa08f56eaeb6e44856b6b72b74c (patch) | |
| tree | b66cc93311dc4c623113a87aa9b40730a21ac18e /kernel/sys.c | |
| parent | cbc60ca04b342a4e1f2a1086a7277c077f07dbed (diff) | |
| parent | a850ea30374ebed32a0724742601861853fde869 (diff) | |
| download | talos-op-linux-4a445f291ac3faa08f56eaeb6e44856b6b72b74c.tar.gz talos-op-linux-4a445f291ac3faa08f56eaeb6e44856b6b72b74c.zip | |
Merge remote branch 'origin/master' of /home/airlied/kernel//linux-2.6 into drm-core-next
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 e9ad44489828..7f5a0cd296a9 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; } |
