From: Chaskiel M Grundman <cg2v@andrew.cmu.edu>
Date: Sat, 25 Jan 2003 18:41:14 +0000 (+0000)
Subject: STABLE12-darwin-deal-with-unclean-pages-from-vm-20020107
X-Git-Tag: openafs-stable-1_2_9~70
X-Git-Url: https://git.michaelhowe.org/gitweb/?a=commitdiff_plain;h=b7c5c4dd480b05575fabaa4600dce811176324fc;p=packages%2Fo%2Fopenafs.git

STABLE12-darwin-deal-with-unclean-pages-from-vm-20020107


based on report from lha@stacken.kth.se


(cherry picked from commit 4b690db92f2098f332132996a11ff07322284802)
---

diff --git a/src/afs/DARWIN/osi_vnodeops.c b/src/afs/DARWIN/osi_vnodeops.c
index c44ddb98f..4b3a69b20 100644
--- a/src/afs/DARWIN/osi_vnodeops.c
+++ b/src/afs/DARWIN/osi_vnodeops.c
@@ -467,6 +467,11 @@ afs_vop_pagein(ap)
     }
     afs_BozonUnlock(&tvc->pvnLock, tvc);
     AFS_GUNLOCK();
+
+    /* Zero out rest of last page if there wasn't enough data in the file */
+    if (code == 0 && auio.uio_resid > 0)
+	memset(aiov.iov_base, 0, auio.uio_resid);
+
     kernel_upl_unmap(kernel_map, pl);
     if (!nocommit) {
       if (code)