From: Joe Perches <joe@perches.com>
Date: Mon, 4 Jun 2012 07:16:14 +0000 (+0000)
Subject: net/9p: Add __force to cast of __user pointer
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=f07d90107caeaa6913c70ad97b536f8cec45e8e7;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

net/9p: Add __force to cast of __user pointer

A recent commit that removed unnecessary casts of pointers
to the same type uncovered a missing __force cast.

Add it.

Reported by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/net/9p/client.c b/net/9p/client.c
index 5cbea903a5ab..8260f132b32e 100644
--- a/net/9p/client.c
+++ b/net/9p/client.c
@@ -1548,7 +1548,7 @@ p9_client_read(struct p9_fid *fid, char *data, char __user *udata, u64 offset,
 			kernel_buf = 1;
 			indata = data;
 		} else
-			indata = udata;
+			indata = (__force char *)udata;
 		/*
 		 * response header len is 11
 		 * PDU Header(7) + IO Size (4)