clippy: Resolve while_let_loop

TEST=bin/clippy

Change-Id: Iae447ec2c1b095286ab02cd153bd2daafe95fae1
Reviewed-on: https://chromium-review.googlesource.com/1566894
Commit-Ready: David Tolnay <dtolnay@chromium.org>
Tested-by: David Tolnay <dtolnay@chromium.org>
Tested-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: Daniel Verkamp <dverkamp@chromium.org>

1 files changed, 2 insertions, 7 deletions

diff --git a/p9/src/server.rs b/p9/src/server.rs
index d292cca..bc22cbc 100644
--- a/p9/src/server.rs
+++ b/p9/src/server.rs
@@ -785,13 +785,8 @@ impl Server {
         let count = min(self.msize - header_size, readdir.count);
         let mut cursor = Cursor::new(Vec::with_capacity(count as usize));
 
-        loop {
-            let byte_size = if let Some(entry) = entries.peek() {
-                entry.byte_size() as usize
-            } else {
-                // No more entries.
-                break;
-            };
+        while let Some(entry) = entries.peek() {
+            let byte_size = entry.byte_size() as usize;
 
             if cursor.get_ref().capacity() - cursor.get_ref().len() < byte_size {
                 // No more room in the buffer.