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Commit 4255a8e1 authored by Michael S. Tsirkin's avatar Michael S. Tsirkin Committed by Chris Zankel
Browse files

xtensa/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>
Signed-off-by: default avatarChris Zankel <chris@zankel.net>
parent 2cb54e84

arch/xtensa/include/asm/uaccess.h

+2 −2
Original line number Diff line number Diff line
@@ -320,7 +320,7 @@ __asm__ __volatile__( \ 
({								\

	long __gu_err, __gu_val;				\

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

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

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

	__gu_err;						\

})
@@ -330,7 +330,7 @@ __asm__ __volatile__( \ 
	const __typeof__(*(ptr)) *__gu_addr = (ptr);			\

	if (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;							\

})