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From: Sascha Hauer <s.hauer@pengutronix.de>
To: barebox@lists.infradead.org
Subject: [PATCH 01/23] err.h: introduce IS_ERR_OR_NULL
Date: Mon, 24 Sep 2012 13:04:30 +0200	[thread overview]
Message-ID: <1348484692-24993-2-git-send-email-s.hauer@pengutronix.de> (raw)
In-Reply-To: <1348484692-24993-1-git-send-email-s.hauer@pengutronix.de>

Copied from Linux.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 include/linux/err.h |    5 +++++
 1 file changed, 5 insertions(+)

diff --git a/include/linux/err.h b/include/linux/err.h
index e0d8d2d..19fb70d 100644
--- a/include/linux/err.h
+++ b/include/linux/err.h
@@ -34,6 +34,11 @@ static inline long IS_ERR(const void *ptr)
 	return IS_ERR_VALUE((unsigned long)ptr);
 }
 
+static inline long __must_check IS_ERR_OR_NULL(const void *ptr)
+{
+	return !ptr || IS_ERR_VALUE((unsigned long)ptr);
+}
+
 /**
  * ERR_CAST - Explicitly cast an error-valued pointer to another pointer type
  * @ptr: The pointer to cast.
-- 
1.7.10.4


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  reply	other threads:[~2012-09-24 11:04 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-09-24 11:04 [PATCH] common clk support Sascha Hauer
2012-09-24 11:04 ` Sascha Hauer [this message]
2012-09-24 11:04 ` [PATCH 02/23] clk clkdev: Add clkdev matching based on physbase Sascha Hauer
2012-09-26 16:02   ` Jean-Christophe PLAGNIOL-VILLARD
2012-09-26 17:25     ` Sascha Hauer
2012-09-26 18:53       ` Jean-Christophe PLAGNIOL-VILLARD
2012-09-26 19:09         ` Jean-Christophe PLAGNIOL-VILLARD
2012-09-26 19:08       ` Jean-Christophe PLAGNIOL-VILLARD
2012-09-26 21:31         ` Sascha Hauer
2012-09-24 11:04 ` [PATCH 03/23] clk: initial common clk support Sascha Hauer
2012-09-24 11:04 ` [PATCH 04/23] commands: Add clk commands Sascha Hauer
2012-09-24 11:04 ` [PATCH 05/23] ARM i.MX: initial clk support Sascha Hauer
2012-09-24 11:04 ` [PATCH 06/23] ARM i.MX27: implement " Sascha Hauer
2012-09-24 11:04 ` [PATCH 07/23] ARM i.MX25: Switch to common " Sascha Hauer
2012-09-24 11:04 ` [PATCH 08/23] ARM i.MX5: " Sascha Hauer
2012-09-24 11:36   ` Sascha Hauer
2012-09-24 11:04 ` [PATCH 09/23] ARM i.MX1: " Sascha Hauer
2012-09-24 11:04 ` [PATCH 10/23] ARM i.MX31: Switch to common clk Sascha Hauer
2012-09-24 11:04 ` [PATCH 11/23] ARM i.MX6: " Sascha Hauer
2012-09-24 11:04 ` [PATCH 12/23] ARM i.MX21: " Sascha Hauer
2012-09-24 11:04 ` [PATCH 13/23] ARM i.MX35: " Sascha Hauer
2012-09-24 11:04 ` [PATCH 14/23] net fec: Switch to clk support Sascha Hauer
2012-09-26 16:07   ` Jean-Christophe PLAGNIOL-VILLARD
2012-09-24 11:04 ` [PATCH 15/23] serial i.MX: " Sascha Hauer
2012-09-26 16:08   ` Jean-Christophe PLAGNIOL-VILLARD
2012-09-24 11:04 ` [PATCH 16/23] spi " Sascha Hauer
2012-09-24 11:04 ` [PATCH 17/23] ARM i.MX: Switch clocksource to clk_get Sascha Hauer
2012-09-24 11:04 ` [PATCH 18/23] mci i.MX ESDHC: Switch to clock support Sascha Hauer
2012-09-24 11:04 ` [PATCH 19/23] mci i.MX: " Sascha Hauer
2012-09-24 11:04 ` [PATCH 20/23] i2c " Sascha Hauer
2012-09-26 16:10   ` Jean-Christophe PLAGNIOL-VILLARD
2012-09-24 11:04 ` [PATCH 21/23] video " Sascha Hauer
2012-09-24 11:04 ` [PATCH 22/23] video i.MX IPU: " Sascha Hauer
2012-09-24 11:04 ` [PATCH 23/23] ARM i.MX: Remove old " Sascha Hauer

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