From e21149cec321d055c715d0362e77a85118cdf561 Mon Sep 17 00:00:00 2001
From: Nickolai Zeldovich <kolya@mit.edu>
Date: Thu, 20 May 2004 20:15:04 +0000
Subject: [PATCH] uafs-fixes-20040520

Make uafs not crash if uafs_fstat() is used.  Fix open(O_RDONLY).
---
 src/afs/UKERNEL/afs_usrops.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/afs/UKERNEL/afs_usrops.c b/src/afs/UKERNEL/afs_usrops.c
index 2aa393e..2d940ec 100644
--- a/src/afs/UKERNEL/afs_usrops.c
+++ b/src/afs/UKERNEL/afs_usrops.c
@@ -2751,6 +2751,10 @@ uafs_open_r(char *path, int flags, int mode)
     if (flags & (O_WRONLY | O_RDWR)) {
 	openFlags |= FWRITE;
     }
+    if ((openFlags & (FREAD | FWRITE)) == 0) {
+	/* O_RDONLY is 0, so ... */
+	openFlags |= FREAD;
+    }
 
     /*
      * Truncate if necessary
@@ -3064,7 +3068,6 @@ uafs_fstat_r(int fd, struct stat *buf)
 	return -1;
     }
     code = uafs_GetAttr(vp, buf);
-    VN_RELE(vp);
     if (code) {
 	errno = code;
 	return -1;
-- 
1.9.4