diff options
| author | Max Kellermann <max.kellermann@ionos.com> | 2022-02-21 11:03:13 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-02-23 12:01:06 +0100 |
| commit | b19ec7afa9297d862ed86443e0164643b97250ab (patch) | |
| tree | fc307e5e915d8f9db65052a4894536c4fe8ceb5a /lib | |
| parent | 30455322787aee4bb95dcaabdcfcfaab69a1a8f0 (diff) | |
lib/iov_iter: initialize "flags" in new pipe_buffer
commit 9d2231c5d74e13b2a0546fee6737ee4446017903 upstream.
The functions copy_page_to_iter_pipe() and push_pipe() can both
allocate a new pipe_buffer, but the "flags" member initializer is
missing.
Fixes: 241699cd72a8 ("new iov_iter flavour: pipe-backed")
To: Alexander Viro <viro@zeniv.linux.org.uk>
To: linux-fsdevel@vger.kernel.org
To: linux-kernel@vger.kernel.org
Cc: stable@vger.kernel.org
Signed-off-by: Max Kellermann <max.kellermann@ionos.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/iov_iter.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/iov_iter.c b/lib/iov_iter.c index b364231b5fc8..1b0a349fbcd9 100644 --- a/lib/iov_iter.c +++ b/lib/iov_iter.c @@ -407,6 +407,7 @@ static size_t copy_page_to_iter_pipe(struct page *page, size_t offset, size_t by return 0; buf->ops = &page_cache_pipe_buf_ops; + buf->flags = 0; get_page(page); buf->page = page; buf->offset = offset; @@ -543,6 +544,7 @@ static size_t push_pipe(struct iov_iter *i, size_t size, break; buf->ops = &default_pipe_buf_ops; + buf->flags = 0; buf->page = page; buf->offset = 0; buf->len = min_t(ssize_t, left, PAGE_SIZE); |