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Commit cad1c0df authored by Michael S. Tsirkin's avatar Michael S. Tsirkin
Browse files

sh/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: default avatarMichael S. Tsirkin <mst@redhat.com>
parent 079f0f26

arch/sh/include/asm/uaccess.h

+2 −2
Original line number Diff line number Diff line
@@ -60,7 +60,7 @@ struct __large_struct { unsigned long buf[100]; }; 
	const __typeof__(*(ptr)) __user *__gu_addr = (ptr);	\

	__chk_user_ptr(ptr);					\

	__get_user_size(__gu_val, __gu_addr, (size), __gu_err);	\

	(x) = (__typeof__(*(ptr)))__gu_val;			\

	(x) = (__force __typeof__(*(ptr)))__gu_val;		\

	__gu_err;						\

})
@@ -71,7 +71,7 @@ struct __large_struct { unsigned long buf[100]; }; 
	const __typeof__(*(ptr)) *__gu_addr = (ptr);			\

	if (likely(access_ok(VERIFY_READ, __gu_addr, (size))))		\

		__get_user_size(__gu_val, __gu_addr, (size), __gu_err);	\

	(x) = (__typeof__(*(ptr)))__gu_val;				\

	(x) = (__force __typeof__(*(ptr)))__gu_val;			\

	__gu_err;							\

})