[PATCH] include/linux/slab.h: new KFREE() macro.

Amit Choudhary
2007-01-01T00:17:58Z

Description: new KFREE() macro to set the variable NULL after freeing it.

Signed-off-by: Amit Choudhary <amit2030@gmail.com>

diff --git a/include/linux/slab.h b/include/linux/slab.h
index 1ef822e..28da74c 100644
--- a/include/linux/slab.h
+++ b/include/linux/slab.h
@@ -75,6 +75,12 @@ void *__kzalloc(size_t, gfp_t);
void kfree(const void *);
unsigned int ksize(const void *);

+#define KFREE(x) \
+ do { \
+ kfree(x); \
+ x = NULL; \
+ } while(0)
+
/**
* kcalloc - allocate memory for an array. The memory is set to zero.
* @n: number of elements.