ecryptfs: inode.c mmap.c use unaligned byteorder helpers

[platform/adaptation/renesas_rcar/renesas_kernel.git] / fs / ecryptfs / inode.c

diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c
index c92cc1c..7315547 100644 (file)
--- a/fs/ecryptfs/inode.c
+++ b/fs/ecryptfs/inode.c
@@ -31,6 +31,7 @@
 #include <linux/mount.h>
 #include <linux/crypto.h>
 #include <linux/fs_stack.h>
+#include <asm/unaligned.h>
 #include "ecryptfs_kernel.h"
 
 static struct dentry *lock_parent(struct dentry *dentry)
@@ -364,8 +365,7 @@ static struct dentry *ecryptfs_lookup(struct inode *dir, struct dentry *dentry,
                else
                        file_size = i_size_read(lower_dentry->d_inode);
        } else {
-               memcpy(&file_size, page_virt, sizeof(file_size));
-               file_size = be64_to_cpu(file_size);
+               file_size = get_unaligned_be64(page_virt);
        }
        i_size_write(dentry->d_inode, (loff_t)file_size);
        kmem_cache_free(ecryptfs_header_cache_2, page_virt);