[PATCH] slab: add __must_check to krealloc

[Pekka J Enberg]

From: Pekka Enberg <penberg@xxxxxxxxxxxxxx>

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

Cc: Arjan van de Ven <arjan@xxxxxxxxxxxxx>
Signed-off-by: Pekka Enberg <penberg@xxxxxxxxxxxxxx>
---
 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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