diff options
| author | Shunsuke Mie <mie@igel.co.jp> | 2023-04-17 05:20:37 +0300 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2023-04-21 10:02:35 +0300 |
| commit | e9c4962c5d69b8a238bb8bd51e8fdce39be13e5b (patch) | |
| tree | b4e48a42baa39fb248f78dfbb03d796364783674 /tools/virtio/linux/uaccess.h | |
| parent | 38fc29ea754711e9a8c4e9ca2678ab41353a4662 (diff) | |
| download | linux-e9c4962c5d69b8a238bb8bd51e8fdce39be13e5b.tar.xz | |
tools/virtio: fix build caused by virtio_ring changes
Fix the build dependency for virtio_test. The virtio_ring that is used from
the test requires container_of_const(). Change to use container_of.h kernel
header directly and adapt related codes.
Signed-off-by: Shunsuke Mie <mie@igel.co.jp>
Message-Id: <20230417022037.917668-2-mie@igel.co.jp>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'tools/virtio/linux/uaccess.h')
| -rw-r--r-- | tools/virtio/linux/uaccess.h | 11 |
1 files changed, 2 insertions, 9 deletions
diff --git a/tools/virtio/linux/uaccess.h b/tools/virtio/linux/uaccess.h index 991dfb263998..f13828e0c409 100644 --- a/tools/virtio/linux/uaccess.h +++ b/tools/virtio/linux/uaccess.h @@ -6,15 +6,10 @@ extern void *__user_addr_min, *__user_addr_max; -static inline void __chk_user_ptr(const volatile void *p, size_t size) -{ - assert(p >= __user_addr_min && p + size <= __user_addr_max); -} - #define put_user(x, ptr) \ ({ \ typeof(ptr) __pu_ptr = (ptr); \ - __chk_user_ptr(__pu_ptr, sizeof(*__pu_ptr)); \ + __chk_user_ptr(__pu_ptr); \ WRITE_ONCE(*(__pu_ptr), x); \ 0; \ }) @@ -22,7 +17,7 @@ static inline void __chk_user_ptr(const volatile void *p, size_t size) #define get_user(x, ptr) \ ({ \ typeof(ptr) __pu_ptr = (ptr); \ - __chk_user_ptr(__pu_ptr, sizeof(*__pu_ptr)); \ + __chk_user_ptr(__pu_ptr); \ x = READ_ONCE(*(__pu_ptr)); \ 0; \ }) @@ -37,7 +32,6 @@ static void volatile_memcpy(volatile char *to, const volatile char *from, static inline int copy_from_user(void *to, const void __user volatile *from, unsigned long n) { - __chk_user_ptr(from, n); volatile_memcpy(to, from, n); return 0; } @@ -45,7 +39,6 @@ static inline int copy_from_user(void *to, const void __user volatile *from, static inline int copy_to_user(void __user volatile *to, const void *from, unsigned long n) { - __chk_user_ptr(to, n); volatile_memcpy(to, from, n); return 0; } |