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Message-ID: <1418575877-21488-6-git-send-email-mst@redhat.com>
Date:	Sun, 14 Dec 2014 18:52:18 +0200
From:	"Michael S. Tsirkin" <mst@...hat.com>
To:	linux-kernel@...r.kernel.org
Cc:	Arnd Bergmann <arnd@...db.de>, linux-arch@...r.kernel.org,
	Steven Miao <realmz6@...il.com>,
	adi-buildroot-devel@...ts.sourceforge.net
Subject: [PATCH 05/18] blackfin/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@...hat.com>
---
 arch/blackfin/include/asm/uaccess.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/blackfin/include/asm/uaccess.h b/arch/blackfin/include/asm/uaccess.h
index 57701c3..6a46e7d 100644
--- a/arch/blackfin/include/asm/uaccess.h
+++ b/arch/blackfin/include/asm/uaccess.h
@@ -147,7 +147,7 @@ static inline int bad_user_access_length(void)
 		}						\
 	} else							\
 		_err = -EFAULT;					\
-	x = (typeof(*(ptr)))_val;				\
+	x = (__force typeof(*(ptr)))_val;				\
 	_err;							\
 })
 
-- 
MST

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