From: Al Viro <viro@zeniv.linux.org.uk>
Date: Thu, 4 Apr 2013 23:16:06 +0000 (-0400)
Subject: bluetooth: fix race in bt_procfs_init()
X-Git-Tag: upstream/snapshot3+hdmi~5227^2~96
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=4d006263d3d61413e63784a454b6e3310bd8e6ee;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git

bluetooth: fix race in bt_procfs_init()

use proc_create_data() rather than set ->data after the file has
been created

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---

diff --git a/net/bluetooth/af_bluetooth.c b/net/bluetooth/af_bluetooth.c
index 68e6fef..438a8c5 100644
--- a/net/bluetooth/af_bluetooth.c
+++ b/net/bluetooth/af_bluetooth.c
@@ -638,16 +638,10 @@ int bt_procfs_init(struct net *net, const char *name,
 		   struct bt_sock_list* sk_list,
 		   int (* seq_show)(struct seq_file *, void *))
 {
-	struct proc_dir_entry * pde;
-
 	sk_list->custom_seq_show = seq_show;
 
-	pde = proc_create(name, 0, net->proc_net, &bt_fops);
-	if (!pde)
+	if (!proc_create_data(name, 0, net->proc_net, &bt_fops, sk_list))
 		return -ENOMEM;
-
-	pde->data = sk_list;
-
 	return 0;
 }