diff options
| -rw-r--r-- | backends/rng-egd.c | 25 | ||||
| -rw-r--r-- | backends/rng.c | 32 | ||||
| -rw-r--r-- | include/sysemu/rng.h | 12 |
3 files changed, 45 insertions, 24 deletions
diff --git a/backends/rng-egd.c b/backends/rng-egd.c index b061362e29..8f2bd16b18 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 2f2f3ee4eb..014cb9d0fe 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, diff --git a/include/sysemu/rng.h b/include/sysemu/rng.h index c744d82745..08a2eda2a4 100644 --- a/include/sysemu/rng.h +++ b/include/sysemu/rng.h @@ -60,6 +60,7 @@ struct RngBackend GSList *requests; }; + /** * rng_backend_request_entropy: * @s: the backend to request entropy from @@ -78,4 +79,15 @@ struct RngBackend void rng_backend_request_entropy(RngBackend *s, size_t size, EntropyReceiveFunc *receive_entropy, void *opaque); + +/** + * rng_backend_free_request: + * @s: the backend that created the request + * @req: the request to finalize + * + * Used by child rng backend classes to finalize requests once they've been + * processed. The request is removed from the list of active requests and + * deleted. + */ +void rng_backend_finalize_request(RngBackend *s, RngRequest *req); #endif |