From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752802Ab1AZKSG (ORCPT ); Wed, 26 Jan 2011 05:18:06 -0500 Received: from metis.ext.pengutronix.de ([92.198.50.35]:51289 "EHLO metis.ext.pengutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751159Ab1AZKSE (ORCPT ); Wed, 26 Jan 2011 05:18:04 -0500 From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= To: linux-kernel@vger.kernel.org Cc: Andrew Morton Subject: [PATCH] Add a function to cast error-pointers to a return value Date: Wed, 26 Jan 2011 11:17:54 +0100 Message-Id: <1296037074-1585-1-git-send-email-u.kleine-koenig@pengutronix.de> X-Mailer: git-send-email 1.7.2.3 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-SA-Exim-Connect-IP: 2001:6f8:1178:2:215:17ff:fe12:23b0 X-SA-Exim-Mail-From: ukl@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-kernel@vger.kernel.org Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Cc: Andrew Morton Signed-off-by: Uwe Kleine-König --- include/linux/err.h | 8 ++++++++ 1 files changed, 8 insertions(+), 0 deletions(-) diff --git a/include/linux/err.h b/include/linux/err.h index 448afc1..f2edce2 100644 --- a/include/linux/err.h +++ b/include/linux/err.h @@ -52,6 +52,14 @@ static inline void * __must_check ERR_CAST(const void *ptr) return (void *) ptr; } +static inline int __must_check PTR_RET(const void *ptr) +{ + if (IS_ERR(ptr)) + return PTR_ERR(ptr); + else + return 0; +} + #endif #endif /* _LINUX_ERR_H */ -- 1.7.2.3