UBIFS: Use kmemdup rather than duplicating its implementation

The semantic patch that makes this change is available
in scripts/coccinelle/api/memdup.cocci.

Signed-off-by: Thomas Meyer <thomas@m3y3r.de>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>

1 files changed, 2 insertions, 4 deletions

diff --git a/fs/ubifs/xattr.c b/fs/ubifs/xattr.c
index bf18f7a0454..85b27226875 100644
--- a/fs/ubifs/xattr.c
+++ b/fs/ubifs/xattr.c
@@ -138,12 +138,11 @@ static int create_xattr(struct ubifs_info *c, struct inode *host,
         ui = ubifs_inode(inode);
         ui->xattr = 1;
         ui->flags |= UBIFS_XATTR_FL;
-        ui->data = kmalloc(size, GFP_NOFS);
+        ui->data = kmemdup(value, size, GFP_NOFS);
         if (!ui->data) {
                 err = -ENOMEM;
                 goto out_free;
         }
-        memcpy(ui->data, value, size);
         inode->i_size = ui->ui_size = size;
         ui->data_len = size;
 
@@ -204,12 +203,11 @@ static int change_xattr(struct ubifs_info *c, struct inode *host,
                 return err;
 
         kfree(ui->data);
-        ui->data = kmalloc(size, GFP_NOFS);
+        ui->data = kmemdup(value, size, GFP_NOFS);
         if (!ui->data) {
                 err = -ENOMEM;
                 goto out_free;
         }
-        memcpy(ui->data, value, size);
         inode->i_size = ui->ui_size = size;
         ui->data_len = size;