omap: remove Block refcounting

1 files changed, 1 insertions, 9 deletions

diff --git a/sys/src/9/omap/ucallocb.c b/sys/src/9/omap/ucallocb.c
index 954c5d96a..93a07d336 100644
--- a/sys/src/9/omap/ucallocb.c
+++ b/sys/src/9/omap/ucallocb.c
@@ -33,8 +33,6 @@ _ucallocb(int size)
 	b->list = nil;
 	b->free = 0;
 	b->flag = 0;
-	b->ref = 0;
-	_xinc(&b->ref);
 
 	/* align start of data portion by rounding up */
 	addr = (ulong)b;
@@ -117,16 +115,10 @@ void
 ucfreeb(Block *b)
 {
 	void *dead = (void*)Bdead;
-	long ref;
 
-	if(b == nil || (ref = _xdec(&b->ref)) > 0)
+	if(b == nil)
 		return;
 
-	if(ref < 0){
-		dumpstack();
-		panic("ucfreeb: ref %ld; caller pc %#p", ref, getcallerpc(&b));
-	}
-
 	/*
 	 * drivers which perform non cache coherent DMA manage their own buffer
 	 * pool of uncached buffers and provide their own free routine.