[PATCH 2/2] refspec: make sure stack refspec_item variables are zeroed

[Jacob Keller <jacob.e.keller@intel.com>]

From: Jacob Keller <jacob.keller@gmail.com>

A couple of functions that used struct refspec_item did not zero out the
structure memory. This can result in unexpected behavior, especially if
additional parameters are ever added to refspec_item in the future. Use
memset to ensure that unset structure members are zero.

It may make sense to convert most of these uses of struct refspec_item
to use either struct initializers or refspec_item_init_or_die. However,
other similar code uses memset. Converting all of these uses has been
left as a future exercise.

Signed-off-by: Jacob Keller <jacob.keller@gmail.com>
---
 builtin/remote.c | 1 +
 transport.c      | 1 +
 2 files changed, 2 insertions(+)

diff --git a/builtin/remote.c b/builtin/remote.c
index c8240e9fcd58..542f56e3878b 100644
--- a/builtin/remote.c
+++ b/builtin/remote.c
@@ -478,6 +478,7 @@ static int get_head_names(const struct ref *remote_refs, struct ref_states *stat
 	struct ref *fetch_map = NULL, **fetch_map_tail = &fetch_map;
 	struct refspec_item refspec;
 
+	memset(&refspec, 0, sizeof(refspec));
 	refspec.force = 0;
 	refspec.pattern = 1;
 	refspec.src = refspec.dst = "refs/heads/*";
diff --git a/transport.c b/transport.c
index 2d4fd851dc0f..419be0b6ea4b 100644
--- a/transport.c
+++ b/transport.c
@@ -443,6 +443,7 @@ void transport_update_tracking_ref(struct remote *remote, struct ref *ref, int v
 	if (ref->status != REF_STATUS_OK && ref->status != REF_STATUS_UPTODATE)
 		return;
 
+	memset(&rs, 0, sizeof(rs));
 	rs.src = ref->name;
 	rs.dst = NULL;
 
-- 
2.28.0.218.ge27853923b9d.dirty