fix lint

Author: 0x5457

examples/mutex.rs

@@ -57,7 +57,7 @@ fn increment_value(shmem_flink: &str, thread_num: usize) {
     let is_init: &mut AtomicU8;
 
     unsafe {
-        is_init = &mut *(raw_ptr as *mut u8 as *mut AtomicU8);
+        is_init = &mut *(raw_ptr as *mut AtomicU8);
         raw_ptr = raw_ptr.add(8);
     };
 

src/unix.rs

@@ -1,6 +1,8 @@
 use std::num::NonZeroUsize;
 use std::os::unix::io::RawFd;
 use std::ptr::null_mut;
+use std::os::unix::fs::OpenOptionsExt;
+use std::os::unix::io::AsRawFd;
 
 use crate::log::*;
 use nix::fcntl::OFlag;
@@ -245,8 +247,6 @@ pub fn create_mapping_tmpfs(
     map_size: usize,
     mode: Option<Mode>,
 ) -> Result<MapData, ShmemError> {
-    use std::os::unix::fs::OpenOptionsExt;
-    use std::os::unix::io::AsRawFd;
 
     let nz_map_size = NonZeroUsize::new(map_size).ok_or(ShmemError::MapSizeZero)?;
     let mode_bits = mode.unwrap_or(Mode::S_IRUSR | Mode::S_IWUSR).bits();
@@ -258,7 +258,7 @@ pub fn create_mapping_tmpfs(
         .create_new(true)
         .read(true)
         .write(true)
-        .mode(mode_bits)
+        .mode(mode_bits.into())
         .open(file_path)
         .map_err(|e| match e.kind() {
             std::io::ErrorKind::AlreadyExists => ShmemError::MappingIdExists,