unpack_callback(): use unpack_failed() consistently

When unpack_index_entry() failed, consistently call unpack_failed(),
instead of silently returning -1.

Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/unpack-trees.c b/unpack-trees.c
index d174fe05dbcdad0cccb1f75e943899eeb0262709..c424bab4097818cf9e7910baaee98deaa7943cbc 100644 (file)
--- a/unpack-trees.c
+++ b/unpack-trees.c
@@ -277,6 +277,17 @@ static int unpack_nondirectories(int n, unsigned long mask,
        return 0;
 }
 
+static int unpack_failed(struct unpack_trees_options *o, const char *message)
+{
+       discard_index(&o->result);
+       if (!o->gently) {
+               if (message)
+                       return error("%s", message);
+               return -1;
+       }
+       return -1;
+}
+
 static int unpack_callback(int n, unsigned long mask, unsigned long dirmask, struct name_entry *names, struct traverse_info *info)
 {
        struct cache_entry *src[MAX_UNPACK_TREES + 1] = { NULL, };
@@ -294,7 +305,7 @@ static int unpack_callback(int n, unsigned long mask, unsigned long dirmask, str
                        int cmp = compare_entry(ce, info, p);
                        if (cmp < 0) {
                                if (unpack_index_entry(ce, o) < 0)
-                                       return -1;
+                                       return unpack_failed(o, NULL);
                                continue;
                        }
                        if (!cmp) {
@@ -352,17 +363,6 @@ static int unpack_callback(int n, unsigned long mask, unsigned long dirmask, str
        return mask;
 }
 
-static int unpack_failed(struct unpack_trees_options *o, const char *message)
-{
-       discard_index(&o->result);
-       if (!o->gently) {
-               if (message)
-                       return error("%s", message);
-               return -1;
-       }
-       return -1;
-}
-
 /*
  * N-way merge "len" trees.  Returns 0 on success, -1 on failure to manipulate the
  * resulting index, -2 on failure to reflect the changes to the work tree.