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io_uring: fix types for region size calulation

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[ Upstream commit 1fd5367391 ]

->nr_pages is int, it needs type extension before calculating the region
size.

Fixes: a90558b36c ("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>
This commit is contained in:
Pavel Begunkov
2025-11-05 15:47:01 +00:00
committed by Greg Kroah-Hartman
parent ca88aca10d
commit fe9cf295ba
1 changed files with 1 additions and 1 deletions
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2
io_uring/memmap.c
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@@ -135,7 +135,7 @@ static int io_region_pin_pages(struct io_ring_ctx *ctx,
struct io_mapped_region *mr, struct io_mapped_region *mr,
struct io_uring_region_desc *reg) 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; struct page **pages;
int nr_pages; int nr_pages;