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/lpt.c b/fs/ubifs/lpt.c
index 6189c74d97f0..66d59d0a1402 100644
--- a/fs/ubifs/lpt.c
+++ b/fs/ubifs/lpt.c
@@ -1986,12 +1986,11 @@ again:
 
                                 if (path[h].in_tree)
                                         continue;
-                                nnode = kmalloc(sz, GFP_NOFS);
+                                nnode = kmemdup(&path[h].nnode, sz, GFP_NOFS);
                                 if (!nnode) {
                                         err = -ENOMEM;
                                         goto out;
                                 }
-                                memcpy(nnode, &path[h].nnode, sz);
                                 parent = nnode->parent;
                                 parent->nbranch[nnode->iip].nnode = nnode;
                                 path[h].ptr.nnode = nnode;
@@ -2004,12 +2003,11 @@ again:
                                 const size_t sz = sizeof(struct ubifs_pnode);
                                 struct ubifs_nnode *parent;
 
-                                pnode = kmalloc(sz, GFP_NOFS);
+                                pnode = kmemdup(&path[h].pnode, sz, GFP_NOFS);
                                 if (!pnode) {
                                         err = -ENOMEM;
                                         goto out;
                                 }
-                                memcpy(pnode, &path[h].pnode, sz);
                                 parent = pnode->parent;
                                 parent->nbranch[pnode->iip].pnode = pnode;
                                 path[h].ptr.pnode = pnode;