2 files changed, 19 insertions, 7 deletions

diff --git a/rsnix/src/ahci.rs b/rsnix/src/ahci.rs
index 9ed803d..72da07d 100644
--- a/rsnix/src/ahci.rs
+++ b/rsnix/src/ahci.rs
@@ -262,10 +262,14 @@ pub fn init() -> bool {
             continue;
         }
         let det = reg(abar as usize + PORT_BASE + port_idx as usize * PORT_STRIDE + P_SSTS) & 0xF;
-        unsafe { PORT_UP[port_idx as usize] = det == 3; }
+        unsafe {
+            PORT_UP[port_idx as usize] = det == 3;
+        }
         if let Some(d) = start_port(abar as usize, port_idx) {
             // The device answered IDENTIFY — it's definitely present.
-            unsafe { PORT_UP[port_idx as usize] = true; }
+            unsafe {
+                PORT_UP[port_idx as usize] = true;
+            }
             if !place_disk(d) {
                 crate::serial_println!("ahci: port {} up but disk table full", port_idx);
             }
@@ -341,7 +345,9 @@ pub fn rescan() -> (usize, usize) {
             .iter()
             .position(|d| d.is_some_and(|d| d.port_idx == port_idx));
         let up_prev = unsafe { PORT_UP[port_idx as usize] };
-        unsafe { PORT_UP[port_idx as usize] = up; }
+        unsafe {
+            PORT_UP[port_idx as usize] = up;
+        }
         if up == up_prev {
             continue;
         }
@@ -356,7 +362,9 @@ pub fn rescan() -> (usize, usize) {
             }
         } else if let Some(i) = slot {
             // Removal: tombstone the slot; indices stay stable.
-            unsafe { DISKS[i] = None; }
+            unsafe {
+                DISKS[i] = None;
+            }
             crate::serial_println!("ahci: port {} down — device removed", port_idx);
             removed += 1;
         }
diff --git a/rsnix/src/fat.rs b/rsnix/src/fat.rs
index ef75aa9..bad01cd 100644
--- a/rsnix/src/fat.rs
+++ b/rsnix/src/fat.rs
@@ -34,8 +34,8 @@ pub struct Entry {
 }
 
 struct Volume {
-    disk: usize, // AHCI disk index this volume was mounted from
-    uid: String, // unique mount name: "LABEL-XXXXXXXX"
+    disk: usize,   // AHCI disk index this volume was mounted from
+    uid: String,   // unique mount name: "LABEL-XXXXXXXX"
     mounted: bool, // still backed by a present disk (false = tombstoned)
     sectors_per_cluster: u8,
     reserved: u16,
@@ -217,7 +217,11 @@ fn is_eoc(c: u32) -> bool {
 
 fn next_cluster(c: u32) -> Result<u32, ()> {
     let n = read_fat_entry(c);
-    if is_eoc(n) { Err(()) } else { Ok(n) }
+    if is_eoc(n) {
+        Err(())
+    } else {
+        Ok(n)
+    }
 }
 
 /// Allocate a fresh cluster: mark it EOC in the FAT and zero its data.