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rust: block: mq: use pin_init::zeroed() for tag_set

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Replace unsafe core::mem::zeroed() with pin_init::zeroed() for
blk_mq_tag_set initialization.

Signed-off-by: Ke Sun <sunke@kylinos.cn>
Acked-by: Andreas Hindborg <a.hindborg@kernel.org>
Reviewed-by: Gary Guo <gary@garyguo.net>
Link: https://lore.kernel.org/r/20260120083824.477339-4-sunke@kylinos.cn
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Ke Sun 2026-01-20 16:38:19 +08:00 • committed by Jens Axboe
parent d7a4693a25
commit 880528eaa6
1 changed files with 1 additions and 3 deletions
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4
rust/kernel/block/mq/tag_set.rs
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@ -38,9 +38,7 @@ impl<T: Operations> TagSet<T> {
num_tags: u32,
num_maps: u32,
) -> impl PinInit<Self, error::Error> {
// SAFETY: `blk_mq_tag_set` only contains integers and pointers, which
// all are allowed to be 0.
let tag_set: bindings::blk_mq_tag_set = unsafe { core::mem::zeroed() };
let tag_set: bindings::blk_mq_tag_set = pin_init::zeroed();
let tag_set: Result<_> = core::mem::size_of::<RequestDataWrapper>()
.try_into()
.map(|cmd_size| {