[leon-rdma:rxe-rust-v1 66/88] warning: casts from `bool` to `i32` can be expressed infallibly using `From`

[leon-rdma:rxe-rust-v1 66/88] warning: casts from `bool` to `i32` can be expressed infallibly using `From`

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/leon/linux-rdma.git rxe-rust-v1
head:   fe52737deab42b438e356282106b9418915da058
commit: 9631f80c8d6383fa7e023e3a1ed0d1278a4004fa [66/88] rust: rdma: Own completion queues and shared receive queues
config: x86_64-rhel-9.4-rust (https://download.01.org/0day-ci/archive/20261013/202610130322.qtVpc22k-lkp@intel.com/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/20261013/202610130322.qtVpc22k-lkp@intel.com/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 <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202610130322.qtVpc22k-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> warning: casts from `bool` to `i32` can be expressed infallibly using `From`
   --> rust/kernel/rdma/cq.rs:501:65
   |
   501 |                 .map_or_else(|error| error.to_errno(), |missed| missed as c_int)
   |                                                                 ^^^^^^^^^^^^^^^
   |
   = help: an `as` cast can become silently lossy if the types change in the future
   = help: for further information visit https://rust-lang.github.io/rust-clippy/rust-1.96.0/index.html#cast_lossless
   = note: requested on the command line with `-W clippy::cast-lossless`
   help: use `c_int::from` instead
   |
   501 -                 .map_or_else(|error| error.to_errno(), |missed| missed as c_int)
   501 +                 .map_or_else(|error| error.to_errno(), |missed| c_int::from(missed))
   |

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