svn commit: r246539 - stable/9/sys/fs/nfs

[Konstantin Belousov]

Author: kib
Date: Fri Feb  8 10:20:00 2013
New Revision: 246539
URL: http://svnweb.freebsd.org/changeset/base/246539

Log:
  MFC r246213:
  Assert that the mbuf in the chain has sane length.

Modified:
  stable/9/sys/fs/nfs/nfs_commonsubs.c
Directory Properties:
  stable/9/sys/   (props changed)
  stable/9/sys/fs/   (props changed)

Modified: stable/9/sys/fs/nfs/nfs_commonsubs.c
==============================================================================
--- stable/9/sys/fs/nfs/nfs_commonsubs.c	Fri Feb  8 09:54:53 2013	(r246538)
+++ stable/9/sys/fs/nfs/nfs_commonsubs.c	Fri Feb  8 10:20:00 2013	(r246539)
@@ -199,6 +199,7 @@ nfsm_mbufuio(struct nfsrv_descript *nd, 
 				}
 				mbufcp = NFSMTOD(mp, caddr_t);
 				len = mbuf_len(mp);
+				KASSERT(len > 0, ("len %d", len));
 			}
 			xfer = (left > len) ? len : left;
 #ifdef notdef