svn commit: r366968 - head/sys/dev/ntb

Mark Johnston markj at FreeBSD.org
Fri Oct 23 14:15:59 UTC 2020


Author: markj
Date: Fri Oct 23 14:15:58 2020
New Revision: 366968
URL: https://svnweb.freebsd.org/changeset/base/366968

Log:
  ntb: Fix an assertion to permit >= 32 doorbells
  
  MFC after:	1 week
  Sponsored by:	NetApp, Inc.
  Sponsored by:	Klara, Inc.

Modified:
  head/sys/dev/ntb/ntb_transport.c

Modified: head/sys/dev/ntb/ntb_transport.c
==============================================================================
--- head/sys/dev/ntb/ntb_transport.c	Fri Oct 23 12:00:30 2020	(r366967)
+++ head/sys/dev/ntb/ntb_transport.c	Fri Oct 23 14:15:58 2020	(r366968)
@@ -357,7 +357,7 @@ ntb_transport_attach(device_t dev)
 	spad_count = ntb_spad_count(dev);
 	db_bitmap = ntb_db_valid_mask(dev);
 	db_count = flsll(db_bitmap);
-	KASSERT(db_bitmap == (1 << db_count) - 1,
+	KASSERT(db_bitmap == ((uint64_t)1 << db_count) - 1,
 	    ("Doorbells are not sequential (%jx).\n", db_bitmap));
 
 	if (nt->mw_count == 0) {


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