svn commit: r264888 - in head/sys: fs/nfsserver nfsserver

[Rick Macklem]

Author: rmacklem
Date: Thu Apr 24 20:47:58 2014
New Revision: 264888
URL: http://svnweb.freebsd.org/changeset/base/264888

Log:
  The PR reported that the old NFS server did not set uio_td == NULL
  for the VOP_READ() call. This patch fixes both the old and new
  server for this case.
  
  PR:		185232
  Submitted by:	PR had patch for old server
  Reviewed by:	kib
  MFC after:	2 weeks

Modified:
  head/sys/fs/nfsserver/nfs_nfsdport.c
  head/sys/nfsserver/nfs_serv.c

Modified: head/sys/fs/nfsserver/nfs_nfsdport.c
==============================================================================
--- head/sys/fs/nfsserver/nfs_nfsdport.c	Thu Apr 24 17:23:16 2014	(r264887)
+++ head/sys/fs/nfsserver/nfs_nfsdport.c	Thu Apr 24 20:47:58 2014	(r264888)
@@ -673,6 +673,7 @@ nfsvno_read(struct vnode *vp, off_t off,
 	uiop->uio_resid = len;
 	uiop->uio_rw = UIO_READ;
 	uiop->uio_segflg = UIO_SYSSPACE;
+	uiop->uio_td = NULL;
 	nh = nfsrv_sequential_heuristic(uiop, vp);
 	ioflag |= nh->nh_seqcount << IO_SEQSHIFT;
 	error = VOP_READ(vp, uiop, IO_NODELOCKED | ioflag, cred);

Modified: head/sys/nfsserver/nfs_serv.c
==============================================================================
--- head/sys/nfsserver/nfs_serv.c	Thu Apr 24 17:23:16 2014	(r264887)
+++ head/sys/nfsserver/nfs_serv.c	Thu Apr 24 20:47:58 2014	(r264888)
@@ -911,6 +911,7 @@ nfsrv_read(struct nfsrv_descript *nfsd, 
 		uiop->uio_resid = len;
 		uiop->uio_rw = UIO_READ;
 		uiop->uio_segflg = UIO_SYSSPACE;
+		uiop->uio_td = NULL;
 		nh = nfsrv_sequential_heuristic(uiop, vp);
 		ioflag |= nh->nh_seqcount << IO_SEQSHIFT;
 		error = VOP_READ(vp, uiop, IO_NODELOCKED | ioflag, cred);