From a6325e7256ea4a31e5382adb2ecfba406d42e289 Mon Sep 17 00:00:00 2001
From: "Michael S. Tsirkin" <mst@redhat.com>
Date: Fri, 12 Dec 2014 01:56:04 +0200
Subject: ia64/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>

diff --git a/arch/ia64/include/asm/uaccess.h b/arch/ia64/include/asm/uaccess.h
index 103bedc..967c312 100644
--- a/arch/ia64/include/asm/uaccess.h
+++ b/arch/ia64/include/asm/uaccess.h
@@ -197,7 +197,7 @@ extern void __get_user_unknown (void);
 		      case 8: __get_user_size(__gu_val, __gu_ptr, 8, __gu_err); break;	\
 		      default: __get_user_unknown(); break;				\
 		}									\
-	(x) = (__typeof__(*(__gu_ptr))) __gu_val;					\
+	(x) = (__force __typeof__(*(__gu_ptr))) __gu_val;				\
 	__gu_err;									\
 })
 
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