pipe: add pipe_buf_release() helper

Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 1 insertions, 3 deletions

diff --git a/lib/iov_iter.c b/lib/iov_iter.c
index 659eaafcde65..48b8c27acabb 100644
--- a/lib/iov_iter.c
+++ b/lib/iov_iter.c
@@ -709,9 +709,7 @@ static void pipe_advance(struct iov_iter *i, size_t size)
                 int unused = (pipe->curbuf + pipe->nrbufs) & (pipe->buffers - 1);
                 /* [curbuf,unused) is in use.  Free [idx,unused) */
                 while (idx != unused) {
-                        buf = &pipe->bufs[idx];
-                        buf->ops->release(pipe, buf);
-                        buf->ops = NULL;
+                        pipe_buf_release(pipe, &pipe->bufs[idx]);
                         idx = next_idx(idx, pipe);
                         pipe->nrbufs--;
                 }