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-rw-r--r--kernel/exit.c20
1 files changed, 8 insertions, 12 deletions
diff --git a/kernel/exit.c b/kernel/exit.c
index 29622e4..9c6881a 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -1576,27 +1576,22 @@ repeat:
* might later match our criteria, even if we are not able to reap
* it yet.
*/
- retval = wo->notask_error = -ECHILD;
+ wo->notask_error = -ECHILD;
if ((wo->wo_type < PIDTYPE_MAX) &&
(!wo->wo_pid || hlist_empty(&wo->wo_pid->tasks[wo->wo_type])))
- goto end;
+ goto notask;
current->state = TASK_INTERRUPTIBLE;
read_lock(&tasklist_lock);
tsk = current;
do {
- int tsk_result = do_wait_thread(wo, tsk);
-
- if (!tsk_result)
- tsk_result = ptrace_do_wait(wo, tsk);
+ retval = do_wait_thread(wo, tsk);
+ if (retval)
+ goto end;
- if (tsk_result) {
- /*
- * tasklist_lock is unlocked and we have a final result.
- */
- retval = tsk_result;
+ retval = ptrace_do_wait(wo, tsk);
+ if (retval)
goto end;
- }
if (wo->wo_flags & __WNOTHREAD)
break;
@@ -1605,6 +1600,7 @@ repeat:
} while (tsk != current);
read_unlock(&tasklist_lock);
+notask:
retval = wo->notask_error;
if (!retval && !(wo->wo_flags & WNOHANG)) {
retval = -ERESTARTSYS;
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