linux-loader: Fix rustfmt errors

Reformat code as cargo fmt messages indicate.

Signed-off-by: Cathy Zhang <cathy.zhang@intel.com>

Author: bjzhjing

src/lib.rs

@@ -5,10 +5,9 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE-BSD-3-Clause file.
 //
-// SPDX-License-Identifier: Apache-2.0 AND BSD-3-Clause 
+// SPDX-License-Identifier: Apache-2.0 AND BSD-3-Clause
 
 pub mod cmdline;
 pub mod loader;
 
 extern crate vm_memory;
-

src/loader/elf.rs

@@ -4,7 +4,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE-BSD-3-Clause file.
 //
-// SPDX-License-Identifier: Apache-2.0 AND BSD-3-Clause 
+// SPDX-License-Identifier: Apache-2.0 AND BSD-3-Clause
 
 /*
  * automatically generated by rust-bindgen

src/loader/mod.rs

@@ -112,7 +112,7 @@ impl Display for Error {
 pub struct KernelLoaderResult {
     // Address in the guest memory where the kernel image starts to be loaded
     pub kernel_load: GuestAddress,
-    // Offset in guest memory corresponding to the end of kernel image, in case that 
+    // Offset in guest memory corresponding to the end of kernel image, in case that
     // device tree blob and initrd will be loaded adjacent to kernel image.
     pub kernel_end: GuestUsize,
     // This field is only for bzImage following https://www.kernel.org/doc/Documentation/x86/boot.txt
@@ -227,7 +227,8 @@ impl KernelLoader for Elf {
                 .read_exact_from(mem_offset, kernel_image, phdr.p_filesz as usize)
                 .map_err(|_| Error::ReadKernelImage)?;
 
-            loader_result.kernel_end = mem_offset.raw_value()
+            loader_result.kernel_end = mem_offset
+                .raw_value()
                 .checked_add(phdr.p_memsz as GuestUsize)
                 .ok_or(Error::MemoryOverflow)?;
         }
@@ -323,7 +324,8 @@ impl KernelLoader for BzImage {
             .read_exact_from(mem_offset, kernel_image, kernel_size)
             .map_err(|_| Error::ReadBzImageCompressedKernel)?;
 
-        loader_result.kernel_end = mem_offset.raw_value()  
+        loader_result.kernel_end = mem_offset
+            .raw_value()
             .checked_add(kernel_size as GuestUsize)
             .ok_or(Error::MemoryOverflow)?;
 

src/loader/struct_util.rs

@@ -5,7 +5,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE-BSD-3-Clause file.
 //
-// SPDX-License-Identifier: Apache-2.0 AND BSD-3-Clause 
+// SPDX-License-Identifier: Apache-2.0 AND BSD-3-Clause
 
 use std;
 use std::io::Read;