genirq: Clear action->thread_mask if IRQ_ONESHOT is not set

[pandora-kernel.git] / kernel / kprobes.c

diff --git a/kernel/kprobes.c b/kernel/kprobes.c
index e5d8464..faa39d1 100644 (file)
--- a/kernel/kprobes.c
+++ b/kernel/kprobes.c
@@ -1077,6 +1077,7 @@ void __kprobes kprobe_flush_task(struct task_struct *tk)
                /* Early boot.  kretprobe_table_locks not yet initialized. */
                return;
 
+       INIT_HLIST_HEAD(&empty_rp);
        hash = hash_ptr(tk, KPROBE_HASH_BITS);
        head = &kretprobe_inst_table[hash];
        kretprobe_table_lock(hash, &flags);
@@ -1085,7 +1086,6 @@ void __kprobes kprobe_flush_task(struct task_struct *tk)
                        recycle_rp_inst(ri, &empty_rp);
        }
        kretprobe_table_unlock(hash, &flags);
-       INIT_HLIST_HEAD(&empty_rp);
        hlist_for_each_entry_safe(ri, node, tmp, &empty_rp, hlist) {
                hlist_del(&ri->hlist);
                kfree(ri);
@@ -1673,8 +1673,12 @@ static int __kprobes pre_handler_kretprobe(struct kprobe *p,
                ri->rp = rp;
                ri->task = current;
 
-               if (rp->entry_handler && rp->entry_handler(ri, regs))
+               if (rp->entry_handler && rp->entry_handler(ri, regs)) {
+                       raw_spin_lock_irqsave(&rp->lock, flags);
+                       hlist_add_head(&ri->hlist, &rp->free_instances);
+                       raw_spin_unlock_irqrestore(&rp->lock, flags);
                        return 0;
+               }
 
                arch_prepare_kretprobe(ri, regs);