diff options
-rw-r--r-- | lib/iov_iter.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/iov_iter.c b/lib/iov_iter.c index fb29c02c6a3c..51595bf3af85 100644 --- a/lib/iov_iter.c +++ b/lib/iov_iter.c @@ -1222,11 +1222,12 @@ EXPORT_SYMBOL(iov_iter_discard); unsigned long iov_iter_alignment(const struct iov_iter *i) { - unsigned int p_mask = i->pipe->ring_size - 1; unsigned long res = 0; size_t size = i->count; if (unlikely(iov_iter_is_pipe(i))) { + unsigned int p_mask = i->pipe->ring_size - 1; + if (size && i->iov_offset && allocated(&i->pipe->bufs[i->head & p_mask])) return size | i->iov_offset; return size; |