[Xenomai-core] [PATCH][SOLO] sparse fix: use NULL instead of 0

[Robert Schwebel <r.schwebel@domain.hid>]

Sparse has found this, fixed by the patch below:

tlsf/tlsf.c:383:51: warning: Using plain integer as NULL pointer
tlsf/tlsf.c:388:16: warning: Using plain integer as NULL pointer
tlsf/tlsf.c:467:16: warning: Using plain integer as NULL pointer
tlsf/tlsf.c:383:51: warning: Using plain integer as NULL pointer
tlsf/tlsf.c:388:16: warning: Using plain integer as NULL pointer

Signed-off-by: Robert Schwebel <r.schwebel@domain.hid>

---
 base/tlsf/tlsf.c |    6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

Index: xenomai-solo/base/tlsf/tlsf.c
===================================================================
--- xenomai-solo.orig/base/tlsf/tlsf.c	2008-03-29 22:54:41.000000000 +0100
+++ xenomai-solo/base/tlsf/tlsf.c	2008-03-30 19:49:59.000000000 +0200
@@ -380,12 +380,12 @@
          MIN_BLOCK_SIZE) ? MIN_BLOCK_SIZE : ROUNDUP_SIZE(sizeof(area_info_t)) | USED_BLOCK | PREV_USED;
     b = (bhdr_t *) GET_NEXT_BLOCK(ib->ptr.buffer, ib->size & BLOCK_SIZE);
     b->size = ROUNDDOWN_SIZE(size - 3 * BHDR_OVERHEAD - (ib->size & BLOCK_SIZE)) | USED_BLOCK | PREV_USED;
-    b->ptr.free_ptr.prev = b->ptr.free_ptr.next = 0;
+    b->ptr.free_ptr.prev = b->ptr.free_ptr.next = NULL;
     lb = GET_NEXT_BLOCK(b->ptr.buffer, b->size & BLOCK_SIZE);
     lb->prev_hdr = b;
     lb->size = 0 | USED_BLOCK | PREV_FREE;
     ai = (area_info_t *) ib->ptr.buffer;
-    ai->next = 0;
+    ai->next = NULL;
     ai->end = lb;
     return ib;
 }
@@ -464,7 +464,7 @@
 
     memset(area, 0, area_size);
     ptr = tlsf->area_head;
-    ptr_prev = 0;
+    ptr_prev = NULL;
 
     ib0 = process_area(area, area_size);
     b0 = GET_NEXT_BLOCK(ib0->ptr.buffer, ib0->size & BLOCK_SIZE);
-- 
 Dipl.-Ing. Robert Schwebel | http://www.pengutronix.de
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