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authorLinus Torvalds <torvalds@ppc970.osdl.org>2005-06-18 13:06:22 -0700
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-06-18 13:06:22 -0700
commitc2a0f5943d8935766a42b2d0870aa4c645e3423d (patch)
treee3a0b1bd202725989d908cc4686dab4b1d9855d9 /fs/exec.c
parentc83d9945c05570ba6b8ec5460c99d1ab7c6e6671 (diff)
Clean up subthread exec
Make sure we re-parent itimers, and use BUG_ON() instead of an explicit conditional BUG().
Diffstat (limited to 'fs/exec.c')
-rw-r--r--fs/exec.c16
1 files changed, 6 insertions, 10 deletions
diff --git a/fs/exec.c b/fs/exec.c
index e56ee243702..3a4b35a14c0 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -649,6 +649,7 @@ static inline int de_thread(struct task_struct *tsk)
}
sig->group_exit_task = NULL;
sig->notify_count = 0;
+ sig->real_timer.data = (unsigned long)current;
spin_unlock_irq(lock);
/*
@@ -675,10 +676,8 @@ static inline int de_thread(struct task_struct *tsk)
proc_dentry2 = proc_pid_unhash(leader);
write_lock_irq(&tasklist_lock);
- if (leader->tgid != current->tgid)
- BUG();
- if (current->pid == current->tgid)
- BUG();
+ BUG_ON(leader->tgid != current->tgid);
+ BUG_ON(current->pid == current->tgid);
/*
* An exec() starts a new thread group with the
* TGID of the previous thread group. Rehash the
@@ -726,8 +725,7 @@ static inline int de_thread(struct task_struct *tsk)
proc_pid_flush(proc_dentry1);
proc_pid_flush(proc_dentry2);
- if (exit_state != EXIT_ZOMBIE)
- BUG();
+ BUG_ON(exit_state != EXIT_ZOMBIE);
release_task(leader);
}
@@ -772,10 +770,8 @@ no_thread_group:
kmem_cache_free(sighand_cachep, oldsighand);
}
- if (!thread_group_empty(current))
- BUG();
- if (!thread_group_leader(current))
- BUG();
+ BUG_ON(!thread_group_empty(current));
+ BUG_ON(!thread_group_leader(current));
return 0;
}