pfid is being set to tcon->crfid.fid and they are copied in each other
multiple times. Remove the memcopy between same pointers.

Addresses-Coverity: ("Overlapped copy")
Fixes: 9e81e8ff74b9 ("cifs: return cached_fid from open_shroot")
Signed-off-by: Muhammad Usama Anjum <[email protected]>
---
I'm not sure why refcount was being incremented here. This file has been
evoloved so much. Any ideas?

fs/cifs/smb2ops.c | 9 ---------
 1 file changed, 9 deletions(-)

diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c
index 61214b23c57f..6fa35003dcfe 100644
--- a/fs/cifs/smb2ops.c
+++ b/fs/cifs/smb2ops.c
@@ -847,14 +847,6 @@ int open_cached_dir(unsigned int xid, struct cifs_tcon 
*tcon,
                        .volatile_fid = pfid->volatile_fid,
                };
 
-               /*
-                * caller expects this func to set pfid to a valid
-                * cached root, so we copy the existing one and get a
-                * reference.
-                */
-               memcpy(pfid, tcon->crfid.fid, sizeof(*pfid));
-               kref_get(&tcon->crfid.refcount);
-
                mutex_unlock(&tcon->crfid.fid_mutex);
 
                if (rc == 0) {
@@ -885,7 +877,6 @@ int open_cached_dir(unsigned int xid, struct cifs_tcon 
*tcon,
        oparms.fid->mid = le64_to_cpu(o_rsp->sync_hdr.MessageId);
 #endif /* CIFS_DEBUG2 */
 
-       memcpy(tcon->crfid.fid, pfid, sizeof(struct cifs_fid));
        tcon->crfid.tcon = tcon;
        tcon->crfid.is_valid = true;
        tcon->crfid.dentry = dentry;
-- 
2.25.1

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