diff options
Diffstat (limited to 'fs/splice.c')
| -rw-r--r-- | fs/splice.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/fs/splice.c b/fs/splice.c index bf17a92e26c3..1af65632c371 100644 --- a/fs/splice.c +++ b/fs/splice.c @@ -1351,6 +1351,8 @@ SYSCALL_DEFINE4(vmsplice, int, fd, const struct iovec __user *, iov, struct fd f; long error; + if (unlikely(flags & ~SPLICE_F_ALL)) + return -EINVAL; if (unlikely(nr_segs > UIO_MAXIOV)) return -EINVAL; else if (unlikely(!nr_segs)) @@ -1401,6 +1403,9 @@ SYSCALL_DEFINE6(splice, int, fd_in, loff_t __user *, off_in, if (unlikely(!len)) return 0; + if (unlikely(flags & ~SPLICE_F_ALL)) + return -EINVAL; + error = -EBADF; in = fdget(fd_in); if (in.file) { @@ -1729,6 +1734,9 @@ SYSCALL_DEFINE4(tee, int, fdin, int, fdout, size_t, len, unsigned int, flags) struct fd in; int error; + if (unlikely(flags & ~SPLICE_F_ALL)) + return -EINVAL; + if (unlikely(!len)) return 0; |