diff options
Diffstat (limited to 'fs/open.c')
| -rw-r--r-- | fs/open.c | 19 |
1 files changed, 2 insertions, 17 deletions
diff --git a/fs/open.c b/fs/open.c index acaeb3e25c88..446ab8ef04af 100644 --- a/fs/open.c +++ b/fs/open.c @@ -1457,6 +1457,8 @@ SYSCALL_DEFINE4(openat2, int, dfd, const char __user *, filename, if (unlikely(usize < OPEN_HOW_SIZE_VER0)) return -EINVAL; + if (unlikely(usize > PAGE_SIZE)) + return -E2BIG; err = copy_struct_from_user(&tmp, sizeof(tmp), how, usize); if (err) @@ -1574,23 +1576,6 @@ SYSCALL_DEFINE1(close, unsigned int, fd) return retval; } -/** - * sys_close_range() - Close all file descriptors in a given range. - * - * @fd: starting file descriptor to close - * @max_fd: last file descriptor to close - * @flags: reserved for future extensions - * - * This closes a range of file descriptors. All file descriptors - * from @fd up to and including @max_fd are closed. - * Currently, errors to close a given file descriptor are ignored. - */ -SYSCALL_DEFINE3(close_range, unsigned int, fd, unsigned int, max_fd, - unsigned int, flags) -{ - return __close_range(fd, max_fd, flags); -} - /* * This routine simulates a hangup on the tty, to arrange that users * are given clean terminals at login time. |