From: stephen hemminger <stephen@networkplumber.org>
Date: Thu, 8 Aug 2013 17:27:14 +0000 (-0700)
Subject: pptp: fix sparse pointer warning
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=469230d118dc0822f6bf46c75ab147fa9f00741f;p=deliverable%2Flinux.git

pptp: fix sparse pointer warning

callid_sock array is referenced via rcu_dereference and
sparse rcu checks complains about address space mismatch.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/net/ppp/pptp.c b/drivers/net/ppp/pptp.c
index 162464fe86bf..9785a3ac02b3 100644
--- a/drivers/net/ppp/pptp.c
+++ b/drivers/net/ppp/pptp.c
@@ -47,7 +47,7 @@
 #define MAX_CALLID 65535
 
 static DECLARE_BITMAP(callid_bitmap, MAX_CALLID + 1);
-static struct pppox_sock **callid_sock;
+static struct pppox_sock __rcu **callid_sock;
 
 static DEFINE_SPINLOCK(chan_lock);