| Date | Sun, 14 Dec 2014 18:52:14 +0200 | From | "Michael S. Tsirkin" <> | Subject | [PATCH 04/18] avr32/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> --- arch/avr32/include/asm/uaccess.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/avr32/include/asm/uaccess.h b/arch/avr32/include/asm/uaccess.h index 245b2ee..ec6ce63 100644 --- a/arch/avr32/include/asm/uaccess.h +++ b/arch/avr32/include/asm/uaccess.h @@ -191,7 +191,7 @@ extern int __put_user_bad(void); default: __gu_err = __get_user_bad(); break; \ } \ \ - x = (typeof(*(ptr)))__gu_val; \ + x = (__force typeof(*(ptr)))__gu_val; \ __gu_err; \ }) @@ -222,7 +222,7 @@ extern int __put_user_bad(void); } else { \ __gu_err = -EFAULT; \ } \ - x = (typeof(*(ptr)))__gu_val; \ + x = (__force typeof(*(ptr)))__gu_val; \ __gu_err; \ }) -- MST
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