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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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