fs: cifs: cifsssmb: remove redundant assignment to variable ret

The variable ret is being initialized however this is never read
and later it is being reassigned to a new value. The initialization
is redundant and hence can be removed.

Addresses-Coverity: ("Unused Value")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Steve French <stfrench@microsoft.com>

fs/cifs/cifssmb.c

@@ -1393,7 +1393,7 @@ int
 CIFS_open(const unsigned int xid, struct cifs_open_parms *oparms, int *oplock,
 	  FILE_ALL_INFO *buf)
 {
-	int rc = -EACCES;
+	int rc;
 	OPEN_REQ *req = NULL;
 	OPEN_RSP *rsp = NULL;
 	int bytes_returned;