From: Vyacheslav Cherkashin <v.cherkashin@samsung.com>
Date: Wed, 15 Jul 2015 12:29:09 +0000 (+0300)
Subject: [FIX] remove uprobe from hash table on error
X-Git-Tag: submit/tizen_2.4/20150912.103527~60
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=efce983cbcc5cc3ed9ccf00d931c66873a2d7e6b;p=kernel%2Fswap-modules.git

[FIX] remove uprobe from hash table on error

Change-Id: I8f860004eb9b8c23c11a5e47899cfdb916529a64
Signed-off-by: Vyacheslav Cherkashin <v.cherkashin@samsung.com>
---

diff --git a/uprobe/swap_uprobes.c b/uprobe/swap_uprobes.c
index f9ad605..da8274c 100644
--- a/uprobe/swap_uprobes.c
+++ b/uprobe/swap_uprobes.c
@@ -528,8 +528,11 @@ int swap_register_uprobe(struct uprobe *up)
 			   &uprobe_table[hash_ptr(p->addr, UPROBE_HASH_BITS)]);
 
 	ret = arm_uprobe(up);
-	if (ret)
+	if (ret) {
+		hlist_del_rcu(&p->hlist);
+		synchronize_rcu();
 		remove_uprobe(up);
+	}
 
 out:
 	DBPRINTF("out ret = 0x%x\n", ret);