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io_uring/rw: cast rw->flags assignment to rwf_t

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commit 825aea662b upstream.

kernel test robot reports that a recent change of the sqe->rw_flags
field throws a sparse warning on 32-bit archs:

>> io_uring/rw.c:291:19: sparse: sparse: incorrect type in assignment (different base types) @@     expected restricted __kernel_rwf_t [usertype] flags @@     got unsigned int @@
   io_uring/rw.c:291:19: sparse:     expected restricted __kernel_rwf_t [usertype] flags
   io_uring/rw.c:291:19: sparse:     got unsigned int

Force cast it to rwf_t to silence that new sparse warning.

Fixes: cf73d9970e ("io_uring: don't use int for ABI")
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202507032211.PwSNPNSP-lkp@intel.com/
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jens Axboe
2025-07-07 16:46:30 -06:00
committed by Greg Kroah-Hartman
parent b4f7089949
commit 29c1a8e6e7
1 changed files with 1 additions and 1 deletions
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2
io_uring/rw.c
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@@ -284,7 +284,7 @@ static int __io_prep_rw(struct io_kiocb *req, const struct io_uring_sqe *sqe,
rw->addr = READ_ONCE(sqe->addr);
rw->len = READ_ONCE(sqe->len);
rw->flags = READ_ONCE(sqe->rw_flags);
rw->flags = (__force rwf_t) READ_ONCE(sqe->rw_flags);
attr_type_mask = READ_ONCE(sqe->attr_type_mask);
if (attr_type_mask) {