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authorLadi Prosek <lprosek@redhat.com>2016-03-03 09:37:17 +0100
committerAmit Shah <amit.shah@redhat.com>2016-03-03 17:42:26 +0530
commit9f14b0add1dcdbfa2ee61051d068211fb0a1fcc9 (patch)
treedc14b6dbc59318bed325db89f613160a7307bd5c /backends
parent74074e8a7c60592cf1cc6469dbc2550d24aeded3 (diff)
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rng: move request queue cleanup from RngEgd to RngBackend
RngBackend is now in charge of cleaning up the linked list on instance finalization. It also exposes a function to finalize individual RngRequest instances, called by its child classes. Signed-off-by: Ladi Prosek <lprosek@redhat.com> Reviewed-by: Amit Shah <amit.shah@redhat.com> Message-Id: <1456994238-9585-4-git-send-email-lprosek@redhat.com> Signed-off-by: Amit Shah <amit.shah@redhat.com>
Diffstat (limited to 'backends')
-rw-r--r--backends/rng-egd.c25
-rw-r--r--backends/rng.c32
2 files changed, 33 insertions, 24 deletions
diff --git a/backends/rng-egd.c b/backends/rng-egd.c
index b061362..8f2bd16 100644
--- a/backends/rng-egd.c
+++ b/backends/rng-egd.c
@@ -58,12 +58,6 @@ static void rng_egd_request_entropy(RngBackend *b, size_t size,
s->parent.requests = g_slist_append(s->parent.requests, req);
}
-static void rng_egd_free_request(RngRequest *req)
-{
- g_free(req->data);
- g_free(req);
-}
-
static int rng_egd_chr_can_read(void *opaque)
{
RngEgd *s = RNG_EGD(opaque);
@@ -93,28 +87,13 @@ static void rng_egd_chr_read(void *opaque, const uint8_t *buf, int size)
size -= len;
if (req->offset == req->size) {
- s->parent.requests = g_slist_remove_link(s->parent.requests,
- s->parent.requests);
-
req->receive_entropy(req->opaque, req->data, req->size);
- rng_egd_free_request(req);
+ rng_backend_finalize_request(&s->parent, req);
}
}
}
-static void rng_egd_free_requests(RngEgd *s)
-{
- GSList *i;
-
- for (i = s->parent.requests; i; i = i->next) {
- rng_egd_free_request(i->data);
- }
-
- g_slist_free(s->parent.requests);
- s->parent.requests = NULL;
-}
-
static void rng_egd_opened(RngBackend *b, Error **errp)
{
RngEgd *s = RNG_EGD(b);
@@ -183,8 +162,6 @@ static void rng_egd_finalize(Object *obj)
}
g_free(s->chr_name);
-
- rng_egd_free_requests(s);
}
static void rng_egd_class_init(ObjectClass *klass, void *data)
diff --git a/backends/rng.c b/backends/rng.c
index 2f2f3ee..014cb9d 100644
--- a/backends/rng.c
+++ b/backends/rng.c
@@ -64,6 +64,30 @@ static void rng_backend_prop_set_opened(Object *obj, bool value, Error **errp)
s->opened = true;
}
+static void rng_backend_free_request(RngRequest *req)
+{
+ g_free(req->data);
+ g_free(req);
+}
+
+static void rng_backend_free_requests(RngBackend *s)
+{
+ GSList *i;
+
+ for (i = s->requests; i; i = i->next) {
+ rng_backend_free_request(i->data);
+ }
+
+ g_slist_free(s->requests);
+ s->requests = NULL;
+}
+
+void rng_backend_finalize_request(RngBackend *s, RngRequest *req)
+{
+ s->requests = g_slist_remove(s->requests, req);
+ rng_backend_free_request(req);
+}
+
static void rng_backend_init(Object *obj)
{
object_property_add_bool(obj, "opened",
@@ -72,6 +96,13 @@ static void rng_backend_init(Object *obj)
NULL);
}
+static void rng_backend_finalize(Object *obj)
+{
+ RngBackend *s = RNG_BACKEND(obj);
+
+ rng_backend_free_requests(s);
+}
+
static void rng_backend_class_init(ObjectClass *oc, void *data)
{
UserCreatableClass *ucc = USER_CREATABLE_CLASS(oc);
@@ -84,6 +115,7 @@ static const TypeInfo rng_backend_info = {
.parent = TYPE_OBJECT,
.instance_size = sizeof(RngBackend),
.instance_init = rng_backend_init,
+ .instance_finalize = rng_backend_finalize,
.class_size = sizeof(RngBackendClass),
.class_init = rng_backend_class_init,
.abstract = true,