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openrisc/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.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Michael S. Tsirkin 2014-12-12 01:56:04 +02:00
parent 8f4e4c1aef
commit 582a6783c5
1 changed files with 2 additions and 2 deletions
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4
arch/openrisc/include/asm/uaccess.h
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@ -192,7 +192,7 @@ struct __large_struct {
({ \ ({ \
long __gu_err, __gu_val; \ long __gu_err, __gu_val; \
__get_user_size(__gu_val, (ptr), (size), __gu_err); \ __get_user_size(__gu_val, (ptr), (size), __gu_err); \
(x) = (__typeof__(*(ptr)))__gu_val; \ (x) = (__force __typeof__(*(ptr)))__gu_val; \
__gu_err; \ __gu_err; \
}) })
@ -202,7 +202,7 @@ struct __large_struct {
const __typeof__(*(ptr)) * __gu_addr = (ptr); \ const __typeof__(*(ptr)) * __gu_addr = (ptr); \
if (access_ok(VERIFY_READ, __gu_addr, size)) \ if (access_ok(VERIFY_READ, __gu_addr, size)) \
__get_user_size(__gu_val, __gu_addr, (size), __gu_err); \ __get_user_size(__gu_val, __gu_addr, (size), __gu_err); \
(x) = (__typeof__(*(ptr)))__gu_val; \ (x) = (__force __typeof__(*(ptr)))__gu_val; \
__gu_err; \ __gu_err; \
}) })