fix: a few warnings

Signed-off-by: Anhad Singh <[email protected]>

Author: Andy-Python-Programmer

src/aero_kernel/src/arch/x86_64/gdt.rs

@@ -25,8 +25,8 @@
 //! * <https://wiki.osdev.org/Global_Descriptor_Table>
 
 use core::alloc::Layout;
-use core::mem;
 use core::ptr::addr_of;
+use core::{mem, ptr};
 
 use alloc::alloc::alloc_zeroed;
 
@@ -271,7 +271,7 @@ impl GdtEntry {
 
     fn set_raw<T>(&mut self, value: T) {
         unsafe {
-            *(self as *mut _ as *mut T) = value;
+            *(ptr::addr_of_mut!(*self).cast::<T>()) = value;
         }
     }
 }

src/aero_kernel/src/fs/ext2/group_desc.rs

@@ -15,8 +15,6 @@
 // You should have received a copy of the GNU General Public License
 // along with Aero. If not, see <https://www.gnu.org/licenses/>.
 
-use core::mem::MaybeUninit;
-
 use alloc::boxed::Box;
 use alloc::sync::{Arc, Weak};
 
@@ -53,10 +51,7 @@ impl GroupDescriptors {
         let bgdt_len = superblock.bgdt_len();
         let mut bgdt = Box::<[disk::GroupDescriptor]>::new_uninit_slice(bgdt_len);
 
-        device.read(
-            superblock.bgdt_block(),
-            MaybeUninit::slice_as_bytes_mut(&mut bgdt),
-        )?;
+        device.read(superblock.bgdt_block(), bgdt.as_bytes_mut())?;
 
         // SAFETY: We have initialized the BGD (Block Group Descriptor Table) above.
         let bgdt = unsafe { bgdt.assume_init() };

src/aero_kernel/src/fs/ext2/mod.rs

@@ -557,7 +557,7 @@ impl INodeInterface for INode {
             Ok(path.into())
         } else {
             let mut buffer = Box::<[u8]>::new_uninit_slice(path_len);
-            self.read(0, MaybeUninit::slice_as_bytes_mut(&mut buffer))?;
+            self.read(0, buffer.as_bytes_mut())?;
 
             let path_bytes = unsafe { buffer.assume_init() };
             let path = core::str::from_utf8(&path_bytes).or(Err(FileSystemError::InvalidPath))?;