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| author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2016-12-12 20:44:25 +0100 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2016-12-12 20:44:25 +0100 |
| commit | 2bf3b685a35c80fe368dad9da0e77ba48b460939 (patch) | |
| tree | 3516a82ec33f96d5e9d3f36abef751aa0b788748 /kernel/fork.c | |
| parent | bf006e149a5717a4614d44a62090ae98775af7a0 (diff) | |
| parent | d06e622d3d9206e6a2cc45a0f9a3256da8773ff4 (diff) | |
Merge schedutil governor updates for v4.10.
Diffstat (limited to 'kernel/fork.c')
| -rw-r--r-- | kernel/fork.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/kernel/fork.c b/kernel/fork.c index 623259fc794d..997ac1d584f7 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -315,6 +315,9 @@ static void account_kernel_stack(struct task_struct *tsk, int account) static void release_task_stack(struct task_struct *tsk) { + if (WARN_ON(tsk->state != TASK_DEAD)) + return; /* Better to leak the stack than to free prematurely */ + account_kernel_stack(tsk, -1); arch_release_thread_stack(tsk->stack); free_thread_stack(tsk); @@ -1862,6 +1865,7 @@ bad_fork_cleanup_count: atomic_dec(&p->cred->user->processes); exit_creds(p); bad_fork_free: + p->state = TASK_DEAD; put_task_stack(p); free_task(p); fork_out: |