2 files changed, 10 insertions(+), 4 deletions(-)

M pc/bbmalloc.c
M power/devhs.c

@@ 45,9 45,10 @@ bbfree(void *va, int n)
 	print("sanity bbfree\n");
 }
 
-void*
-bbdflush(void *p, int n)
+int
+bbonstack(void)
 {
-	return p;
+	if(u)
+		return 1;
+	return 0;
 }
-

@@ 352,6 352,10 @@ hsvmeoput(Queue *q, Block *bp)
 	 *  one transmitter at a time
 	 */
 	hp = (Hsvme *)q->ptr;
+	if(waserror()){
+		qunlock(&hp->xmit);
+		nexterror();
+	}
 	qlock(&hp->xmit);
 	addr = hp->addr;
 


@@ 419,6 423,7 @@ hsvmeoput(Queue *q, Block *bp)
 	addr->data = TXEOD;
 
 	qunlock(&hp->xmit);
+	poperror();
 }
 
 /*