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authorLey Foon Tan <lftan@altera.com>2014-12-17 13:53:41 +0800
committerLey Foon Tan <lftan@altera.com>2014-12-17 13:53:41 +0800
commitf1f2eac9124bf0dc82b652871f9a596bce2d3e10 (patch)
tree0069531d60de4d0dbfbd4d121f10c998cd4f6023 /arch/nios2
parentd1e4ef04244fc67f4f2ee001a84a6562f569f437 (diff)
downloadop-kernel-dev-f1f2eac9124bf0dc82b652871f9a596bce2d3e10.zip
op-kernel-dev-f1f2eac9124bf0dc82b652871f9a596bce2d3e10.tar.gz
nios2/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. Suggested-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Ley Foon Tan <lftan@altera.com>
Diffstat (limited to 'arch/nios2')
-rw-r--r--arch/nios2/include/asm/uaccess.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/nios2/include/asm/uaccess.h b/arch/nios2/include/asm/uaccess.h
index acedc0a..caa51ff 100644
--- a/arch/nios2/include/asm/uaccess.h
+++ b/arch/nios2/include/asm/uaccess.h
@@ -168,7 +168,7 @@ do { \
const __typeof__(*(ptr)) __user *__gu_ptr = (ptr); \
unsigned long __gu_val; \
__get_user_common(__gu_val, sizeof(*(ptr)), __gu_ptr, __gu_err);\
- (x) = (__typeof__(x))__gu_val; \
+ (x) = (__force __typeof__(x))__gu_val; \
__gu_err; \
})
@@ -180,7 +180,7 @@ do { \
if (access_ok(VERIFY_READ, __gu_ptr, sizeof(*__gu_ptr))) \
__get_user_common(__gu_val, sizeof(*__gu_ptr), \
__gu_ptr, __gu_err); \
- (x) = (__typeof__(x))__gu_val; \
+ (x) = (__force __typeof__(x))__gu_val; \
__gu_err; \
})
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