* [PATCH repost 07/16] ia64/uaccess: fix sparse errors
[not found] <1419499661-8566-1-git-send-email-mst@redhat.com>
@ 2014-12-25 9:28 ` Michael S. Tsirkin
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From: Michael S. Tsirkin @ 2014-12-25 9:28 UTC (permalink / raw)
To: linux-kernel
Cc: Arnd Bergmann, linux-arch, Tony Luck, Fenghua Yu, Thierry Reding,
linux-ia64
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>
---
arch/ia64/include/asm/uaccess.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/ia64/include/asm/uaccess.h b/arch/ia64/include/asm/uaccess.h
index 103bedc..a540705 100644
--- a/arch/ia64/include/asm/uaccess.h
+++ b/arch/ia64/include/asm/uaccess.h
@@ -197,7 +197,7 @@ extern void __get_user_unknown (void);
case 8: __get_user_size(__gu_val, __gu_ptr, 8, __gu_err); break; \
default: __get_user_unknown(); break; \
} \
- (x) = (__typeof__(*(__gu_ptr))) __gu_val; \
+ (x) = (__force __typeof__(*(__gu_ptr))) __gu_val; \
__gu_err; \
})
--
MST
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[not found] <1419499661-8566-1-git-send-email-mst@redhat.com>
2014-12-25 9:28 ` [PATCH repost 07/16] ia64/uaccess: fix sparse errors Michael S. Tsirkin
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