diff options
Diffstat (limited to 'src/include/ipxe/linux/linux_uaccess.h')
| -rw-r--r-- | src/include/ipxe/linux/linux_uaccess.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/include/ipxe/linux/linux_uaccess.h b/src/include/ipxe/linux/linux_uaccess.h index 1b4961177..e4dfdd357 100644 --- a/src/include/ipxe/linux/linux_uaccess.h +++ b/src/include/ipxe/linux/linux_uaccess.h @@ -71,6 +71,12 @@ UACCESS_INLINE(linux, userptr_add)(userptr_t userptr, off_t offset) return trivial_userptr_add(userptr, offset); } +static inline __always_inline off_t +UACCESS_INLINE(linux, userptr_sub)(userptr_t userptr, userptr_t subtrahend) +{ + return trivial_userptr_sub ( userptr, subtrahend ); +} + static inline __always_inline void UACCESS_INLINE(linux, memcpy_user)(userptr_t dest, off_t dest_off, userptr_t src, off_t src_off, size_t len) { |