SMACK: smack_file_lock can use the struct path

smack_file_lock has a struct path, so use that instead of only the
dentry.

Signed-off-by: Eric Paris <eparis@redhat.com>
Acked-by: Casey Schaufler <casey@schaufler-ca.com>

security/smack/smack_lsm.c

@@ -1076,8 +1076,8 @@ static int smack_file_lock(struct file *file, unsigned int cmd)
 {
 	struct smk_audit_info ad;
 
-	smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_DENTRY);
-	smk_ad_setfield_u_fs_path_dentry(&ad, file->f_path.dentry);
+	smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_PATH);
+	smk_ad_setfield_u_fs_path(&ad, file->f_path);
 	return smk_curacc(file->f_security, MAY_WRITE, &ad);
 }