diff options
Diffstat (limited to 'src/include/ipxe/efi')
| -rw-r--r-- | src/include/ipxe/efi/efi_uaccess.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/include/ipxe/efi/efi_uaccess.h b/src/include/ipxe/efi/efi_uaccess.h index dc226a3e5..79c18972e 100644 --- a/src/include/ipxe/efi/efi_uaccess.h +++ b/src/include/ipxe/efi/efi_uaccess.h @@ -56,6 +56,12 @@ UACCESS_INLINE ( efi, userptr_add ) ( userptr_t userptr, off_t offset ) { return trivial_userptr_add ( userptr, offset ); } +static inline __always_inline off_t +UACCESS_INLINE ( efi, userptr_sub ) ( userptr_t userptr, + userptr_t subtrahend ) { + return trivial_userptr_sub ( userptr, subtrahend ); +} + static inline __always_inline void UACCESS_INLINE ( efi, memcpy_user ) ( userptr_t dest, off_t dest_off, userptr_t src, off_t src_off, |