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| author | Pavel Begunkov <asml.silence@gmail.com> | 2025-11-05 15:47:01 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-11-13 15:37:44 -0500 |
| commit | fe9cf295ba305a594c652302520e1ec22374c45b (patch) | |
| tree | 7b0ecd80264bdbd24ddbb79f1b20f2a0cea56203 /io_uring | |
| parent | ca88aca10d44a5ace402c7473b64428036352bba (diff) | |
| download | linux-fe9cf295ba305a594c652302520e1ec22374c45b.tar.gz linux-fe9cf295ba305a594c652302520e1ec22374c45b.tar.bz2 linux-fe9cf295ba305a594c652302520e1ec22374c45b.zip | |
io_uring: fix types for region size calulation
[ Upstream commit 1fd5367391bf0eeb09e624c4ab45121b54eaab96 ]
->nr_pages is int, it needs type extension before calculating the region
size.
Fixes: a90558b36ccee ("io_uring/memmap: helper for pinning region pages")
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
[axboe: style fixup]
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'io_uring')
| -rw-r--r-- | io_uring/memmap.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/io_uring/memmap.c b/io_uring/memmap.c index 2e99dffddfc5..add03ca75cb9 100644 --- a/io_uring/memmap.c +++ b/io_uring/memmap.c @@ -135,7 +135,7 @@ static int io_region_pin_pages(struct io_ring_ctx *ctx, struct io_mapped_region *mr, struct io_uring_region_desc *reg) { - unsigned long size = mr->nr_pages << PAGE_SHIFT; + unsigned long size = (size_t) mr->nr_pages << PAGE_SHIFT; struct page **pages; int nr_pages; |