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| author | Ingo Molnar <mingo@elte.hu> | 2010-12-23 08:48:41 (GMT) |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2010-12-23 08:48:41 (GMT) |
| commit | 26e20a108caca6231c6a5ec659f815a866904751 (patch) | |
| tree | 36932c208a9e8994bfd7ed4eaf48b9c33f71fbe3 /mm/mempolicy.c | |
| parent | 691513f70d3957939a318da970987b876c720861 (diff) | |
| parent | 90a8a73c06cc32b609a880d48449d7083327e11a (diff) | |
| download | linux-fsl-qoriq-26e20a108caca6231c6a5ec659f815a866904751.tar.xz | |
Merge commit 'v2.6.37-rc7' into x86/security
Diffstat (limited to 'mm/mempolicy.c')
| -rw-r--r-- | mm/mempolicy.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/mm/mempolicy.c b/mm/mempolicy.c index 4a57f13..11ff260 100644 --- a/mm/mempolicy.c +++ b/mm/mempolicy.c @@ -1307,15 +1307,18 @@ SYSCALL_DEFINE4(migrate_pages, pid_t, pid, unsigned long, maxnode, goto out; /* Find the mm_struct */ + rcu_read_lock(); read_lock(&tasklist_lock); task = pid ? find_task_by_vpid(pid) : current; if (!task) { read_unlock(&tasklist_lock); + rcu_read_unlock(); err = -ESRCH; goto out; } mm = get_task_mm(task); read_unlock(&tasklist_lock); + rcu_read_unlock(); err = -EINVAL; if (!mm) |