From: Andy Lutomirski <luto@kernel.org>
Date: Tue, 22 Mar 2016 21:25:10 +0000 (-0700)
Subject: net/xfrm_user: use in_compat_syscall to deny compat syscalls
X-Git-Tag: v4.6-rc1~45^2~64
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=2bf8c47626599c54ab072a29ef1c294d3cce6b0a;p=linux.git

net/xfrm_user: use in_compat_syscall to deny compat syscalls

The code wants to prevent compat code from receiving messages.  Use
in_compat_syscall for this.

Signed-off-by: Andy Lutomirski <luto@kernel.org>
Cc: Steffen Klassert <steffen.klassert@secunet.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c
index 805681a7d356..2cc7af858c6f 100644
--- a/net/xfrm/xfrm_user.c
+++ b/net/xfrm/xfrm_user.c
@@ -2449,7 +2449,7 @@ static int xfrm_user_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
 	int type, err;
 
 #ifdef CONFIG_COMPAT
-	if (is_compat_task())
+	if (in_compat_syscall())
 		return -ENOTSUPP;
 #endif