vol: initialize FdHandle_t stack objects

In namei_create() a temporary FdHandle_t is allocated on
the stack but was never initialized.  Depending on what
prior data was on the stack the FdHandle_t could result
in subsequent operations failing in unpredictable ways.

Change-Id: I6246930adc87cf84ad9c0913cda2d00e6f851bc1
Reviewed-on: http://gerrit.openafs.org/3667
Reviewed-by: Derrick Brashear <shadow@dementia.org>
Tested-by: BuildBot <buildbot@rampaginggeek.com>

diff --git a/src/vol/namei_ops.c b/src/vol/namei_ops.c
index f85c2bf..0d734ad 100644 (file)
--- a/src/vol/namei_ops.c
+++ b/src/vol/namei_ops.c
@@ -754,6 +754,7 @@ namei_icreate(IHandle_t * lh, char *part, afs_uint32 p1, afs_uint32 p2, afs_uint
     b32_string_t str1;
 
     memset((void *)&tmp, 0, sizeof(IHandle_t));
+    memset(&tfd, 0, sizeof(FdHandle_t));
 
     tmp.ih_dev = nt_DriveToDev(part);
     if (tmp.ih_dev == -1) {
@@ -879,6 +880,7 @@ namei_icreate(IHandle_t * lh, char *part, afs_uint32 p1, afs_uint32 p2, afs_uint
     int ogm_parm;
 
     memset((void *)&tmp, 0, sizeof(IHandle_t));
+    memset(&tfd, 0, sizeof(FdHandle_t));
 
     tmp.ih_dev = volutil_GetPartitionID(part);
     if (tmp.ih_dev == -1) {