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nios2/uaccess: fix sparse errors

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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.

Suggested-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Ley Foon Tan <lftan@altera.com>
This commit is contained in:
Ley Foon Tan 2014-12-17 13:53:41 +08:00
parent d1e4ef0424
commit f1f2eac912
1 changed files with 2 additions and 2 deletions
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4
arch/nios2/include/asm/uaccess.h
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@ -168,7 +168,7 @@ do { \
const __typeof__(*(ptr)) __user *__gu_ptr = (ptr); \ const __typeof__(*(ptr)) __user *__gu_ptr = (ptr); \
unsigned long __gu_val; \ unsigned long __gu_val; \
__get_user_common(__gu_val, sizeof(*(ptr)), __gu_ptr, __gu_err);\ __get_user_common(__gu_val, sizeof(*(ptr)), __gu_ptr, __gu_err);\
(x) = (__typeof__(x))__gu_val; \ (x) = (__force __typeof__(x))__gu_val; \
__gu_err; \ __gu_err; \
}) })
@ -180,7 +180,7 @@ do { \
if (access_ok(VERIFY_READ, __gu_ptr, sizeof(*__gu_ptr))) \ if (access_ok(VERIFY_READ, __gu_ptr, sizeof(*__gu_ptr))) \
__get_user_common(__gu_val, sizeof(*__gu_ptr), \ __get_user_common(__gu_val, sizeof(*__gu_ptr), \
__gu_ptr, __gu_err); \ __gu_ptr, __gu_err); \
(x) = (__typeof__(x))__gu_val; \ (x) = (__force __typeof__(x))__gu_val; \
__gu_err; \ __gu_err; \
}) })