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authorMauro Carvalho Chehab <mchehab@redhat.com>2012-01-06 10:18:43 -0200
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-01-06 10:18:43 -0200
commitb35009a9a7e44fd009717b6e3f29e7043dfb29ca (patch)
tree5d2e7f27f0620f8a54d12b8d051d04032852115a /kernel/exit.c
parent194ed21925032b366e693373ba9bde62fbbf16ed (diff)
parent805a6af8dba5dfdd35ec35dc52ec0122400b2610 (diff)
downloadop-kernel-dev-b35009a9a7e44fd009717b6e3f29e7043dfb29ca.zip
op-kernel-dev-b35009a9a7e44fd009717b6e3f29e7043dfb29ca.tar.gz
Merge tag 'v3.2' into staging/for_v3.3
* tag 'v3.2': (83 commits) Linux 3.2 minixfs: misplaced checks lead to dentry leak ptrace: ensure JOBCTL_STOP_SIGMASK is not zero after detach ptrace: partially fix the do_wait(WEXITED) vs EXIT_DEAD->EXIT_ZOMBIE race Revert "rtc: Expire alarms after the time is set." [CIFS] default ntlmv2 for cifs mount delayed to 3.3 cifs: fix bad buffer length check in coalesce_t2 Revert "rtc: Disable the alarm in the hardware" hung_task: fix false positive during vfork security: Fix security_old_inode_init_security() when CONFIG_SECURITY is not set fix CAN MAINTAINERS SCM tree type mwifiex: fix crash during simultaneous scan and connect b43: fix regression in PIO case ath9k: Fix kernel panic in AR2427 in AP mode CAN MAINTAINERS update net: fsl: fec: fix build for mx23-only kernel sch_qfq: fix overflow in qfq_update_start() drm/radeon/kms/atom: fix possible segfault in pm setup gspca: Fix falling back to lower isoc alt settings futex: Fix uninterruptible loop due to gate_area ...
Diffstat (limited to 'kernel/exit.c')
-rw-r--r--kernel/exit.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/kernel/exit.c b/kernel/exit.c
index d0b7d98..e6e01b9 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -1540,8 +1540,15 @@ static int wait_consider_task(struct wait_opts *wo, int ptrace,
}
/* dead body doesn't have much to contribute */
- if (p->exit_state == EXIT_DEAD)
+ if (unlikely(p->exit_state == EXIT_DEAD)) {
+ /*
+ * But do not ignore this task until the tracer does
+ * wait_task_zombie()->do_notify_parent().
+ */
+ if (likely(!ptrace) && unlikely(ptrace_reparented(p)))
+ wo->notask_error = 0;
return 0;
+ }
/* slay zombie? */
if (p->exit_state == EXIT_ZOMBIE) {
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