linux-kernel - [PATCH] slab: add __must

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Date:	Wed, 21 Feb 2007 13:10:44 +0200 (EET)
From:	Pekka J Enberg <penberg@...helsinki.fi>
To:	apkm@...ux-foundation.org
cc:	arjan@...radead.org, linux-kernel@...r.kernel.org
Subject: [PATCH] slab: add __must_check to krealloc

From: Pekka Enberg <penberg@...helsinki.fi>

As suggested by Arjan, make GCC warn about classic misuse of the realloc API.

Cc: Arjan van de Ven <arjan@...radead.org>
Signed-off-by: Pekka Enberg <penberg@...helsinki.fi>
---
 include/linux/slab.h |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Index: 2.6/include/linux/slab.h
===================================================================
--- 2.6.orig/include/linux/slab.h	2007-02-21 13:06:47.000000000 +0200
+++ 2.6/include/linux/slab.h	2007-02-21 13:07:06.000000000 +0200
@@ -72,7 +72,7 @@
  */
 void *__kmalloc(size_t, gfp_t);
 void *__kzalloc(size_t, gfp_t);
-void *krealloc(const void *, size_t, gfp_t);
+void * __must_check krealloc(const void *, size_t, gfp_t);
 void kfree(const void *);
 unsigned int ksize(const void *);
 
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