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authorIngo Molnar <mingo@elte.hu>2010-07-21 21:45:02 +0200
committerIngo Molnar <mingo@elte.hu>2010-07-21 21:45:08 +0200
commitdca45ad8af54963c005393a484ad117b8ba6150f (patch)
tree7c9a6966283a6bb12b54e5680a67d203be292930 /kernel/futex.c
parent68c38fc3cb4e5a60f502ee9c45f3dfe70e5165ad (diff)
parentcd5b8f8755a89a57fc8c408d284b8b613f090345 (diff)
downloadblackbird-op-linux-dca45ad8af54963c005393a484ad117b8ba6150f.tar.gz
blackbird-op-linux-dca45ad8af54963c005393a484ad117b8ba6150f.zip
Merge branch 'linus' into sched/core
Merge reason: Move from the -rc3 to the almost-rc6 base. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/futex.c')
-rw-r--r--kernel/futex.c17
1 files changed, 4 insertions, 13 deletions
diff --git a/kernel/futex.c b/kernel/futex.c
index e7a35f1039e7..6a3a5fa1526d 100644
--- a/kernel/futex.c
+++ b/kernel/futex.c
@@ -429,20 +429,11 @@ static void free_pi_state(struct futex_pi_state *pi_state)
static struct task_struct * futex_find_get_task(pid_t pid)
{
struct task_struct *p;
- const struct cred *cred = current_cred(), *pcred;
rcu_read_lock();
p = find_task_by_vpid(pid);
- if (!p) {
- p = ERR_PTR(-ESRCH);
- } else {
- pcred = __task_cred(p);
- if (cred->euid != pcred->euid &&
- cred->euid != pcred->uid)
- p = ERR_PTR(-ESRCH);
- else
- get_task_struct(p);
- }
+ if (p)
+ get_task_struct(p);
rcu_read_unlock();
@@ -564,8 +555,8 @@ lookup_pi_state(u32 uval, struct futex_hash_bucket *hb,
if (!pid)
return -ESRCH;
p = futex_find_get_task(pid);
- if (IS_ERR(p))
- return PTR_ERR(p);
+ if (!p)
+ return -ESRCH;
/*
* We need to look at the task state flags to figure out,
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