From: Ke Sun <sunke@kylinos.cn>
Date: Tue, 20 Jan 2026 08:38:18 +0000 (+0800)
Subject: rust: block: mq: use pin_init::zeroed() for queue_limits
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d7a4693a250ee2f185ce5c878e74252e533ac4b9;p=thirdparty%2Fkernel%2Flinux.git

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

Replace unsafe core::mem::zeroed() with pin_init::zeroed() for
queue_limits 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/20260120083824.477339-3-sunke@kylinos.cn
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---

diff --git a/rust/kernel/block/mq/gen_disk.rs b/rust/kernel/block/mq/gen_disk.rs
index 1ce815c8cdab0..c8b0ecb170827 100644
--- a/rust/kernel/block/mq/gen_disk.rs
+++ b/rust/kernel/block/mq/gen_disk.rs
@@ -107,8 +107,7 @@ impl GenDiskBuilder {
             drop(unsafe { T::QueueData::from_foreign(data) });
         });
 
-        // SAFETY: `bindings::queue_limits` contain only fields that are valid when zeroed.
-        let mut lim: bindings::queue_limits = unsafe { core::mem::zeroed() };
+        let mut lim: bindings::queue_limits = pin_init::zeroed();
 
         lim.logical_block_size = self.logical_block_size;
         lim.physical_block_size = self.physical_block_size;