Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9cbab8100538efdd93aeae6fc37787d986f2f558
Commit: 9cbab8100538efdd93aeae6fc37787d986f2f558
Parent: ee7c82da830ea860b1f9274f1f0cdf99f206e7c2
Author: Oleg Nesterov <[EMAIL PROTECTED]>
AuthorDate: Fri Feb 8 04:19:02 2008 -0800
Committer: Linus Torvalds <[EMAIL PROTECTED]>
CommitDate: Fri Feb 8 09:22:26 2008 -0800
do_wait: factor out "retval != 0" checks
Every branch if the main "if" statement does the same code at the end. Move
it down. Also, fix the indentation.
Signed-off-by: Oleg Nesterov <[EMAIL PROTECTED]>
Cc: Roland McGrath <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
---
kernel/exit.c | 12 ++++--------
1 files changed, 4 insertions(+), 8 deletions(-)
diff --git a/kernel/exit.c b/kernel/exit.c
index da293ac..723a69b 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -1511,6 +1511,7 @@ repeat:
}
allowed = 1;
+ retval = 0;
if (task_is_stopped_or_traced(p)) {
/*
* It's stopped now, so it might later
@@ -1524,8 +1525,6 @@ repeat:
retval = wait_task_stopped(p, ret == 2,
(options & WNOWAIT), infop,
stat_addr, ru);
- if (retval != 0) /* He released the lock. */
- goto end;
} else if (p->exit_state == EXIT_ZOMBIE) {
/*
* Eligible but we cannot release it yet:
@@ -1537,9 +1536,6 @@ repeat:
retval = wait_task_zombie(p,
(options & WNOWAIT), infop,
stat_addr, ru);
- /* He released the lock. */
- if (retval != 0)
- goto end;
} else if (p->exit_state != EXIT_DEAD) {
check_continued:
/*
@@ -1552,9 +1548,9 @@ check_continued:
retval = wait_task_continued(p,
(options & WNOWAIT), infop,
stat_addr, ru);
- if (retval != 0) /* He released the lock. */
- goto end;
}
+ if (retval != 0) /* tasklist_lock released */
+ goto end;
}
if (!flag) {
list_for_each_entry(p, &tsk->ptrace_children,
@@ -1590,7 +1586,7 @@ end:
remove_wait_queue(¤t->signal->wait_chldexit,&wait);
if (infop) {
if (retval > 0)
- retval = 0;
+ retval = 0;
else {
/*
* For a WNOHANG return, clear out all the fields
-
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