[PATCH] new kfifo API: undef temporary defines

From: Stefani Seibold
Date: Thu Nov 26 2009 - 10:54:34 EST


The following patch undef temporary used defines after the last usage.

The patch-set is against kfifo API v.07, which is currently included in
the -mm tree

Signed-off-by: Stefani Seibold <stefani@xxxxxxxxxxx>
---
kfifo.h | 5 +++++
1 file changed, 5 insertions(+)

diff -u -N -r -p kfifo7/include/linux/kfifo.h kfifo8/include/linux/kfifo.h
--- kfifo7/include/linux/kfifo.h 2009-11-19 20:55:16.596339811 +0100
+++ kfifo8/include/linux/kfifo.h 2009-11-26 16:46:48.826439335 +0100
@@ -55,6 +55,7 @@ struct kfifo {
* Macros for declaration and initialization of the kfifo datatype
*/

+/* helper macro */
#define __kfifo_initializer(s, b) \
(struct kfifo) { \
.size = s, \
@@ -102,6 +103,8 @@ union { \
unsigned char name##kfifo_buffer[size]; \
struct kfifo name = __kfifo_initializer(size, name##kfifo_buffer)

+#undef __kfifo_initializer
+
extern void kfifo_init(struct kfifo *fifo, unsigned char *buffer,
unsigned int size);
extern __must_check int kfifo_alloc(struct kfifo *fifo, unsigned int size,
@@ -293,6 +296,7 @@ static inline unsigned int __kfifo_peek_
l |= __KFIFO_GET(fifo, 1, 8);

return l;
+#undef __KFIFO_GET
}

/**
@@ -312,6 +316,7 @@ static inline void __kfifo_poke_n(struct

if (--recsize)
__KFIFO_PUT(fifo, 1, n, 8);
+#undef __KFIFO_PUT
}

/**


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