From: Michael S. Tsirkin <mst@redhat.com>
Date: Tue, 6 Jan 2015 15:44:10 +0000 (+0200)
Subject: parisc/uaccess: fix sparse errors
X-Git-Tag: v4.0-rc1~62^2~3
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=876b2a008371663cb66637fde5274f67afef1780;p=linux.git

parisc/uaccess: fix sparse errors

virtio wants to read bitwise types from userspace using get_user.  At the
moment this triggers sparse errors, since the value is passed through an
integer.

Fix that up using __force.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Helge Deller <deller@gmx.de>
Signed-off-by: Helge Deller <deller@gmx.de>
---

diff --git a/arch/parisc/include/asm/uaccess.h b/arch/parisc/include/asm/uaccess.h
index a5cb070b54bf..6c79311acdaf 100644
--- a/arch/parisc/include/asm/uaccess.h
+++ b/arch/parisc/include/asm/uaccess.h
@@ -104,7 +104,7 @@ struct exception_data {
 	    }                                           \
 	}                                               \
 							\
-	(x) = (__typeof__(*(ptr))) __gu_val;            \
+	(x) = (__force __typeof__(*(ptr))) __gu_val;	\
 	__gu_err;                                       \
 })