diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/sockptr.h | 16 |
1 files changed, 1 insertions, 15 deletions
diff --git a/include/linux/sockptr.h b/include/linux/sockptr.h index ba88f4d78c1b..706a8526cf3c 100644 --- a/include/linux/sockptr.h +++ b/include/linux/sockptr.h @@ -87,24 +87,10 @@ static inline int copy_safe_from_sockptr(void *dst, size_t ksize, static inline int copy_struct_from_sockptr(void *dst, size_t ksize, sockptr_t src, size_t usize) { - size_t size = min(ksize, usize); - size_t rest = max(ksize, usize) - size; - if (!sockptr_is_kernel(src)) return copy_struct_from_user(dst, ksize, src.user, usize); - if (usize < ksize) { - memset(dst + size, 0, rest); - } else if (usize > ksize) { - char *p = src.kernel; - - while (rest--) { - if (*p++) - return -E2BIG; - } - } - memcpy(dst, src.kernel, size); - return 0; + return copy_struct_from_bounce_buffer(dst, ksize, src.kernel, usize); } static inline int copy_to_sockptr_offset(sockptr_t dst, size_t offset, |