From: Vasiliy Ulyanov <v.ulyanov@samsung.com>
Date: Thu, 12 Jul 2012 05:54:43 +0000 (+0400)
Subject: MEC: fixed ret_addr obtaining (needs testing!!!)
X-Git-Tag: Tizen_SDK_2.3~784
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=ce92ca3f9c70bf2f73f68e9e9d499a1bb9e5e7cb;p=kernel%2Fswap-modules.git

MEC: fixed ret_addr obtaining (needs testing!!!)
---

diff --git a/driver/us_proc_inst.c b/driver/us_proc_inst.c
index ade596f..7cbb176 100644
--- a/driver/us_proc_inst.c
+++ b/driver/us_proc_inst.c
@@ -1787,19 +1787,15 @@ unsigned long get_ret_addr(struct task_struct *task, us_proc_ip_t *ip)
 	unsigned long flags = 0;
 	struct hlist_node *item, *tmp_node;
 	struct kretprobe_instance *ri;
-	extern spinlock_t kretprobe_lock;
 
 	if (ip) {
-		//spin_lock_irqsave(&kretprobe_lock, flags);
-
 		hlist_for_each_safe (item, tmp_node, &ip->retprobe.used_instances) {
 			ri = hlist_entry (item, struct kretprobe_instance, uflist);
 
-			if (ri->task && ri->task->pid == task->pid)
+			if (ri->task && ri->task->pid == task->pid &&
+					ri->task->tgid == task->tgid)
 				retaddr = (unsigned long)ri->ret_addr;
 		}
-
-		//spin_unlock_irqrestore(&kretprobe_lock, flags);
 	}
 
 	if (retaddr)