diff options
author | Oleg Nesterov <oleg@tv-sign.ru> | 2008-04-30 03:53:14 -0400 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-04-30 11:29:38 -0400 |
commit | 68cb94786630b34196713794a2880ade17fca887 (patch) | |
tree | 78bd2d66aaaa2c9acdd6060a9a9964420c511ebc | |
parent | 53b6f9fbd3b63af14b4f6268e8b5b80d178d05bc (diff) |
ptrace: __ptrace_unlink: use the ptrace_reparented() helper
Currently __ptrace_unlink() checks list_empty(->ptrace_list) to figure out
whether the child was reparented. Change the code to use ptrace_reparented()
to make this check more explicit and consistent.
No functional changes.
Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Acked-by: Roland McGrath <roland@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r-- | kernel/ptrace.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/ptrace.c b/kernel/ptrace.c index dac4b4e57293..ce66d66881fd 100644 --- a/kernel/ptrace.c +++ b/kernel/ptrace.c | |||
@@ -73,7 +73,7 @@ void __ptrace_unlink(struct task_struct *child) | |||
73 | BUG_ON(!child->ptrace); | 73 | BUG_ON(!child->ptrace); |
74 | 74 | ||
75 | child->ptrace = 0; | 75 | child->ptrace = 0; |
76 | if (!list_empty(&child->ptrace_list)) { | 76 | if (ptrace_reparented(child)) { |
77 | list_del_init(&child->ptrace_list); | 77 | list_del_init(&child->ptrace_list); |
78 | remove_parent(child); | 78 | remove_parent(child); |
79 | child->parent = child->real_parent; | 79 | child->parent = child->real_parent; |