diff options
author | Steven Rostedt <srostedt@redhat.com> | 2012-03-21 16:03:36 -0400 |
---|---|---|
committer | Steven Rostedt <rostedt@goodmis.org> | 2012-06-19 13:52:05 -0400 |
commit | 86e5be9b38d8f45ced4ee8f9ecb49b2ae81ad728 (patch) | |
tree | bfab34cd6845c8d0dfa0a9d9a7a11a4a4a83e2b8 | |
parent | a5c75ff33362844d37757fe87cdd6a7e07f2072f (diff) |
Revert "kprobes: adjust "fix a memory leak in function pre_handler_kretprobe()""
This reverts commit b8a0040ef7112439ad2efac6f1a79aa842b5924f.
As pointed out by John Kacur, the patch breaks 3.0-rt.
Because rt pulls in 7b8d0e5, the above fix which comes from v3.0.24
should not be applied. kretprobe is a raw_spinlock_t for real-time.
Before the revert we get the following compile errors
kernel/kprobes.c:1664: warning: passing argument 1 of 'rt_spin_lock' from incompatible pointer type
kernel/kprobes.c:1666: warning: passing argument 1 of 'rt_spin_unlock' from incompatible pointer type
Signed-off-by: John Kacur <jkacur@redhat.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
-rw-r--r-- | kernel/kprobes.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/kprobes.c b/kernel/kprobes.c index a7dcf069d87b..9cdbf26e50e3 100644 --- a/kernel/kprobes.c +++ b/kernel/kprobes.c @@ -1661,9 +1661,9 @@ static int __kprobes pre_handler_kretprobe(struct kprobe *p, ri->task = current; if (rp->entry_handler && rp->entry_handler(ri, regs)) { - spin_lock_irqsave(&rp->lock, flags); + raw_spin_lock_irqsave(&rp->lock, flags); hlist_add_head(&ri->hlist, &rp->free_instances); - spin_unlock_irqrestore(&rp->lock, flags); + raw_spin_unlock_irqrestore(&rp->lock, flags); return 0; } |