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| author | Ingo Molnar <mingo@elte.hu> | 2010-07-05 08:30:55 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2010-07-05 08:30:58 +0200 |
| commit | 08f8ba07998ab1b9efcdd3f28dadf6866a605ddb (patch) | |
| tree | 8e09855446f7b0312bb729d4b539090756e57927 /kernel/futex.c | |
| parent | perf: Fix hist_entry__tui_annotate() build failure (diff) | |
| parent | Linux 2.6.35-rc4 (diff) | |
| download | linux-08f8ba07998ab1b9efcdd3f28dadf6866a605ddb.tar.xz linux-08f8ba07998ab1b9efcdd3f28dadf6866a605ddb.zip | |
Merge commit 'v2.6.35-rc4' into perf/core
Merge reason: Pick up the latest perf fixes
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/futex.c')
| -rw-r--r-- | kernel/futex.c | 17 |
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, |