[asahilinux:bits/250-aop 28/79] warning: `as` casting between raw pointers without changing their constness

tree:   https://github.com/AsahiLinux/linux bits/250-aop
head:   e793b14f66e33b70363166d84886d82d462f1987
commit: ade253cc58e6089f3650bc816b34863e60d3ca13 [28/79] rust: alloc: vec: Add TryFrom trait
config: x86_64-rhel-9.4-rust (https://download.01.org/0day-ci/archive/20260824/[email protected]/config)
compiler: clang version 22.1.8 (https://github.com/llvm/llvm-project ca7933e47d3a3451d81e72ac174dcb5aa28b59d1)
rustc: rustc 1.96.0 (ac68faa20 2026-05-25)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260824/[email protected]/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <[email protected]>
| Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/

All warnings (new ones prefixed by >>):

>> warning: `as` casting between raw pointers without changing their constness
   --> rust/kernel/alloc/kvec.rs:1706:40
   |
   1706 |         let array = unsafe { ptr::read(vec.as_ptr() as *const [T; N]) };
   |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try `pointer::cast`, a safer alternative: `vec.as_ptr().cast::<[T; N]>()`
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/rust-1.96.0/index.html#ptr_as_ptr
   = note: requested on the command line with `-W clippy::ptr-as-ptr`

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