Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=715015e8da37c4d13e234def054bcbea116297e9
Commit: 715015e8da37c4d13e234def054bcbea116297e9
Parent: 18442cf28af81378cf8996d264b368bba47cf846
Author: Oleg Nesterov <[EMAIL PROTECTED]>
AuthorDate: Tue Oct 16 23:27:00 2007 -0700
Committer: Linus Torvalds <[EMAIL PROTECTED]>
CommitDate: Wed Oct 17 08:42:52 2007 -0700
wait_task_stopped/continued: remove unneeded p->signal != NULL check
The child was found on ->children list under tasklist_lock, it must have a
valid ->signal. __exit_signal() both removes the task from parent->children
and clears ->signal "atomically" under write_lock(tasklist).
Remove unneeded checks.
Signed-off-by: Oleg Nesterov <[EMAIL PROTECTED]>
Acked-by: Roland McGrath <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
---
kernel/exit.c | 5 +----
1 files changed, 1 insertions(+), 4 deletions(-)
diff --git a/kernel/exit.c b/kernel/exit.c
index b27a3dc..25f6805 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -1322,7 +1322,7 @@ static int wait_task_stopped(struct task_struct *p, int
delayed_group_leader,
if (!p->exit_code)
return 0;
if (delayed_group_leader && !(p->ptrace & PT_PTRACED) &&
- p->signal && p->signal->group_stop_count > 0)
+ p->signal->group_stop_count > 0)
/*
* A group stop is in progress and this is the group leader.
* We won't report until all threads have stopped.
@@ -1436,9 +1436,6 @@ static int wait_task_continued(struct task_struct *p, int
noreap,
pid_t pid;
uid_t uid;
- if (unlikely(!p->signal))
- return 0;
-
if (!(p->signal->flags & SIGNAL_STOP_CONTINUED))
return 0;
-
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