svn commit: r201236 - head/sys/dev/xen/blkfront

[Justin T. Gibbs]

Author: gibbs
Date: Tue Dec 29 23:31:21 2009
New Revision: 201236
URL: http://svn.freebsd.org/changeset/base/201236

Log:
  In blkif_queue_cb(), test the return value from gnttab_claim_grant_reference()
  for >= 0 instead of != ENOSPC.

Modified:
  head/sys/dev/xen/blkfront/blkfront.c

Modified: head/sys/dev/xen/blkfront/blkfront.c
==============================================================================
--- head/sys/dev/xen/blkfront/blkfront.c	Tue Dec 29 23:30:16 2009	(r201235)
+++ head/sys/dev/xen/blkfront/blkfront.c	Tue Dec 29 23:31:21 2009	(r201236)
@@ -960,7 +960,7 @@ blkif_queue_cb(void *arg, bus_dma_segmen
 
 		/* install a grant reference. */
 		ref = gnttab_claim_grant_reference(&cm->gref_head);
-		KASSERT( ref != ENOSPC, ("grant_reference failed") );
+		KASSERT( ref >= 0, ("grant_reference failed") );
 
 		gnttab_grant_foreign_access_ref(
 			ref,