linux-kernel - [PATCH] mtd: Replace the dangerous to_fsl_upm

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Message-ID: <87iq8n0xvj.fsf@tac.ki.iif.hu>
Date:	Tue, 23 Mar 2010 18:08:16 +0100
From:	Ferenc Wagner <wferi@...f.hu>
To:	linux-kernel@...r.kernel.org, linux-mtd@...ts.infradead.org
Subject: [PATCH] mtd: Replace the dangerous to_fsl_upm_nand macro with an inline function

The original macro worked only when applied to variables named 'mtd'.
While this could have been fixed by simply renaming the macro argument,
a more type-safe replacement is preferred.

Signed-off-by: Ferenc Wagner <wferi@...f.hu>
---
 drivers/mtd/nand/fsl_upm.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/drivers/mtd/nand/fsl_upm.c b/drivers/mtd/nand/fsl_upm.c
index 071a60c..02d1688 100644
--- a/drivers/mtd/nand/fsl_upm.c
+++ b/drivers/mtd/nand/fsl_upm.c
@@ -48,7 +48,10 @@ struct fsl_upm_nand {
 	uint32_t wait_flags;
 };
 
-#define to_fsl_upm_nand(mtd) container_of(mtd, struct fsl_upm_nand, mtd)
+inline struct fsl_upm_nand *to_fsl_upm_nand(struct mtd_info *mtdinfo)
+{
+	return container_of(mtdinfo, struct fsl_upm_nand, mtd);
+}
 
 static int fun_chip_ready(struct mtd_info *mtd)
 {
-- 
1.5.6.5

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