Fix

Author: Daksh14

tokio/src/fs/read_uring.rs

@@ -156,11 +156,12 @@ async fn op_read(
                 *offset += size_read as u64;
                 *read_len -= size_read;
 
-                if read_len > 0 {
-                    continue;
+                if *read_len == 0 || size_read == 0 {
+                    return Ok((size_read, r_fd, r_buf));
                 }
 
-                return Ok((size_read, r_fd, r_buf));
+                buf = r_buf;
+                fd = r_fd;
             }
         }
     }