The patch titled
wait_task_stopped(): pass correct exit_code to wait_noreap_copyout()
has been added to the -mm tree. Its filename is
wait_task_stopped-pass-correct-exit_code-to.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: wait_task_stopped(): pass correct exit_code to wait_noreap_copyout()
From: Scott James Remnant <scott@xxxxxxxxxx>
In wait_task_stopped() exit_code already contains the right value for the
si_status member of siginfo, and this is simply set in the non WNOWAIT
case.
Pass it unchanged to wait_noreap_copyout(); we would only need to shift it
and add 0x7f if we were returning it in the user status field and that
isn't used for any function that permits WNOWAIT.
Signed-off-by: Scott James Remnant <scott@xxxxxxxxxx>
Signed-off-by: Oleg Nesterov <oleg@xxxxxxxxxx>
Cc: Roland McGrath <roland@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
kernel/exit.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN kernel/exit.c~wait_task_stopped-pass-correct-exit_code-to kernel/exit.c
--- a/kernel/exit.c~wait_task_stopped-pass-correct-exit_code-to
+++ a/kernel/exit.c
@@ -1388,7 +1388,7 @@ static int wait_task_stopped(struct task
if (unlikely(!exit_code) || unlikely(p->exit_state))
goto bail_ref;
return wait_noreap_copyout(p, pid, uid,
- why, (exit_code << 8) | 0x7f,
+ why, exit_code,
infop, ru);
}
_
Patches currently in -mm which might be from scott@xxxxxxxxxx are
wait_task_stopped-pass-correct-exit_code-to.patch
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