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| author | James Morris <jmorris@namei.org> | 2008-12-04 06:16:36 (GMT) |
|---|---|---|
| committer | James Morris <jmorris@namei.org> | 2008-12-04 06:16:36 (GMT) |
| commit | ec98ce480ada787f2cfbd696980ff3564415505b (patch) | |
| tree | 1a4d644b38f9f1e4b4e086fde0b195df4a92cf84 /kernel/posix-cpu-timers.c | |
| parent | 3496f92beb9aa99ef21fccc154a36c7698e9c538 (diff) | |
| parent | feaf3848a813a106f163013af6fcf6c4bfec92d9 (diff) | |
| download | linux-ec98ce480ada787f2cfbd696980ff3564415505b.tar.xz | |
Merge branch 'master' into next
Conflicts:
fs/nfsd/nfs4recover.c
Manually fixed above to use new creds API functions, e.g.
nfs4_save_creds().
Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'kernel/posix-cpu-timers.c')
| -rw-r--r-- | kernel/posix-cpu-timers.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/kernel/posix-cpu-timers.c b/kernel/posix-cpu-timers.c index 153dcb2..895337b 100644 --- a/kernel/posix-cpu-timers.c +++ b/kernel/posix-cpu-timers.c @@ -1308,9 +1308,10 @@ static inline int task_cputime_expired(const struct task_cputime *sample, */ static inline int fastpath_timer_check(struct task_struct *tsk) { - struct signal_struct *sig = tsk->signal; + struct signal_struct *sig; - if (unlikely(!sig)) + /* tsk == current, ensure it is safe to use ->signal/sighand */ + if (unlikely(tsk->exit_state)) return 0; if (!task_cputime_zero(&tsk->cputime_expires)) { @@ -1323,6 +1324,8 @@ static inline int fastpath_timer_check(struct task_struct *tsk) if (task_cputime_expired(&task_sample, &tsk->cputime_expires)) return 1; } + + sig = tsk->signal; if (!task_cputime_zero(&sig->cputime_expires)) { struct task_cputime group_sample; |