tjh.dev / kernel
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io_uring: fix types for region size calulation

->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>

authored by

Pavel Begunkov and committed by
Jens Axboe 1fd53673 819630bd

+1 -1
+1 -1
io_uring/memmap.c
··· 135 135 struct io_mapped_region *mr, 136 136 struct io_uring_region_desc *reg) 137 137 { 138 - unsigned long size = mr->nr_pages << PAGE_SHIFT; 138 + unsigned long size = (size_t) mr->nr_pages << PAGE_SHIFT; 139 139 struct page **pages; 140 140 int nr_pages; 141 141