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Commit 09a2f7cf authored by Michael S. Tsirkin's avatar Michael S. Tsirkin
Browse files

m68k/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>
Acked-by: default avatarGeert Uytterhoeven <geert@linux-m68k.org>
parent 1d638efc

arch/m68k/include/asm/uaccess_mm.h

+20 −20
Original line number Original line Diff line number Diff line
@@ -146,7 +146,7 @@ asm volatile ("\n" \ 
		"	.previous"					\

		"	.previous"					\

		: "+d" (res), "=&" #reg (__gu_val)			\

		: "+d" (res), "=&" #reg (__gu_val)			\

		: "m" (*(ptr)), "i" (err));				\

		: "m" (*(ptr)), "i" (err));				\

	(x) = (typeof(*(ptr)))(unsigned long)__gu_val;		\

	(x) = (__force typeof(*(ptr)))(__force unsigned long)__gu_val;	\

})

})





#define __get_user(x, ptr)						\

#define __get_user(x, ptr)						\
@@ -188,7 +188,7 @@ asm volatile ("\n" \ 
			  "+a" (__gu_ptr)				\

			  "+a" (__gu_ptr)				\

			: "i" (-EFAULT)					\

			: "i" (-EFAULT)					\

			: "memory");					\

			: "memory");					\

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

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

		break;							\

		break;							\

	    }	*/							\

	    }	*/							\

	default:							\

	default:							\