linux-kernel - [PATCH] creds: suppress warning in get

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Message-Id: <20090119211031.934b4c19.sfr@canb.auug.org.au>
Date:	Mon, 19 Jan 2009 21:10:31 +1100
From:	Stephen Rothwell <sfr@...b.auug.org.au>
To:	David Howells <dhowells@...hat.com>
Cc:	James Morris <jmorris@...ei.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH] creds: suppress warning in get_cred

This is the usual way to force a conversion from a const pointer to a
non-const one and gets rid of this warning:

include/linux/cred.h: In function 'get_cred':
include/linux/cred.h:188: warning: passing argument 1 of 'get_new_cred' discards qualifiers from pointer target type

Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
---
 include/linux/cred.h |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/include/linux/cred.h b/include/linux/cred.h
index 3282ee4..ed38227 100644
--- a/include/linux/cred.h
+++ b/include/linux/cred.h
@@ -12,6 +12,7 @@
 #ifndef _LINUX_CRED_H
 #define _LINUX_CRED_H
 
+#include <linux/types.h>
 #include <linux/capability.h>
 #include <linux/key.h>
 #include <asm/atomic.h>
@@ -185,7 +186,7 @@ static inline struct cred *get_new_cred(struct cred *cred)
  */
 static inline const struct cred *get_cred(const struct cred *cred)
 {
-	return get_new_cred((struct cred *) cred);
+	return get_new_cred((struct cred *)(uintptr_t)cred);
 }
 
 /**
-- 
1.6.0.5

-- 
Cheers,
Stephen Rothwell                    sfr@...b.auug.org.au
http://www.canb.auug.org.au/~sfr/
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