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vfork: introduce complete_vfork_done()

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No functional changes.

Move the clear-and-complete-vfork_done code into the new trivial helper,
complete_vfork_done().

Signed-off-by: Oleg Nesterov <[email protected]>
Acked-by: Tejun Heo <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Oleg Nesterov 2012-03-05 14:59:13 -08:00 • committed by Linus Torvalds
commit c415c3b47e
3 changed files with 13 additions and 13 deletions
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8
fs/exec.c
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@ -1915,7 +1915,6 @@ static int coredump_wait(int exit_code, struct core_state *core_state)
{
struct task_struct *tsk = current;
struct mm_struct *mm = tsk->mm;
struct completion *vfork_done;
int core_waiters = -EBUSY;
init_completion(&core_state->startup);
@ -1934,11 +1933,8 @@ static int coredump_wait(int exit_code, struct core_state *core_state)
* Make sure nobody is waiting for us to release the VM,
* otherwise we can deadlock when we wait on each other
*/
vfork_done = tsk->vfork_done;
if (vfork_done) {
tsk->vfork_done = NULL;
complete(vfork_done);
}
if (tsk->vfork_done)
complete_vfork_done(tsk);
if (core_waiters)
wait_for_completion(&core_state->startup);