thodg/libgit2

diff --git a/src/cache.c b/src/cache.c
index a372df1..b0a0931 100644
--- a/src/cache.c
+++ b/src/cache.c
@@ -32,7 +32,7 @@
 #define GIT_CACHE_OPENADR 3
 
 
-void git_cache_init(git_cache *cache, size_t size, git_cached_obj_freeptr free_ptr)
+int git_cache_init(git_cache *cache, size_t size, git_cached_obj_freeptr free_ptr)
 {
 	size_t i;
 
@@ -51,7 +51,9 @@ void git_cache_init(git_cache *cache, size_t size, git_cached_obj_freeptr free_p
 	cache->lru_count = 0;
 	cache->free_obj = free_ptr;
 
-	cache->nodes = git__malloc((size + 1) * sizeof(cache_node));	//TODO: How should we deal with GIT_ENOMEM?
+	cache->nodes = git__malloc((size + 1) * sizeof(cache_node));
+	if (cache->nodes == NULL)
+		return GIT_ENOMEM;
 
 	for (i = 0; i < (size + 1); ++i) {
 		git_mutex_init(&cache->nodes[i].lock);
diff --git a/src/cache.h b/src/cache.h
index 975aaff..2d9bb51 100644
--- a/src/cache.h
+++ b/src/cache.h
@@ -31,7 +31,7 @@ typedef struct {
 } git_cache;
 
 
-void git_cache_init(git_cache *cache, size_t size, git_cached_obj_freeptr free_ptr);
+int git_cache_init(git_cache *cache, size_t size, git_cached_obj_freeptr free_ptr);
 void git_cache_free(git_cache *cache);
 
 void *git_cache_try_store(git_cache *cache, void *entry);
diff --git a/src/odb.c b/src/odb.c
index e9e495e..025b591 100644
--- a/src/odb.c
+++ b/src/odb.c
@@ -234,13 +234,17 @@ static int backend_sort_cmp(const void *a, const void *b)
 
 int git_odb_new(git_odb **out)
 {
+	int error;
+
 	git_odb *db = git__calloc(1, sizeof(*db));
 	if (!db)
 		return GIT_ENOMEM;
 
 	git_cache_init(&db->cache, GIT_DEFAULT_CACHE_SIZE, &free_odb_object);
+	if (error < GIT_SUCCESS)
+		return error;
 
-	if (git_vector_init(&db->backends, 4, backend_sort_cmp) < 0) {
+	if (git_vector_init(&db->backends, 4, backend_sort_cmp) < GIT_SUCCESS) {
 		free(db);
 		return GIT_ENOMEM;
 	}
diff --git a/src/repository.c b/src/repository.c
index 8a5934f..1072b22 100644
--- a/src/repository.c
+++ b/src/repository.c
@@ -159,13 +159,19 @@ static int guess_repository_dirs(git_repository *repo, const char *repository_pa
 
 static git_repository *repository_alloc()
 {
+	int error;
+
 	git_repository *repo = git__malloc(sizeof(git_repository));
 	if (!repo)
 		return NULL;
 
 	memset(repo, 0x0, sizeof(git_repository));
 
-	git_cache_init(&repo->objects, GIT_DEFAULT_CACHE_SIZE, &git_object__free);
+	error = git_cache_init(&repo->objects, GIT_DEFAULT_CACHE_SIZE, &git_object__free);
+	if (error < GIT_SUCCESS) {
+		free(repo);
+		return NULL;
+	}
 
 	if (git_repository__refcache_init(&repo->references) < GIT_SUCCESS) {
 		free(repo);