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| author | Paul Mundt <lethal@linux-sh.org> | 2010-07-02 13:05:10 +0900 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2010-07-02 13:05:10 +0900 |
| commit | 12462d77ec78be9fb033580b7b64ddf9d0fee44b (patch) | |
| tree | a21157428d46259ed2c8a727ac12a2e658d8181a /kernel/futex.c | |
| parent | 598ee698d9db7beb06e12f4ea9d9a5fbc03a3a77 (diff) | |
| parent | 97e0214044d9f279a3d6286c9f859696ef0b7ebe (diff) | |
Merge branches 'sh/highmem' and 'sh/stable-updates'
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 e7a35f1039e..6a3a5fa1526 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, |