From: Max Kellermann Date: Mon, 21 Feb 2022 10:03:13 +0000 (+0100) Subject: lib/iov_iter: initialize "flags" in new pipe_buffer X-Git-Tag: baikal/aarch64/sdk6.1~4619^2 X-Git-Url: https://git.baikalelectronics.ru/sdk/?a=commitdiff_plain;h=7c7ae2542effec7ae6d713d45ac3bc3919d099ef;p=kernel.git lib/iov_iter: initialize "flags" in new pipe_buffer 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: 1e5e29513931 ("new iov_iter flavour: pipe-backed") To: Alexander Viro To: linux-fsdevel@vger.kernel.org To: linux-kernel@vger.kernel.org Cc: stable@vger.kernel.org Signed-off-by: Max Kellermann Signed-off-by: Al Viro --- diff --git a/lib/iov_iter.c b/lib/iov_iter.c index b0e0acdf96c15..6dd5330f7a995 100644 --- a/lib/iov_iter.c +++ b/lib/iov_iter.c @@ -414,6 +414,7 @@ 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; @@ -577,6 +578,7 @@ 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);