From 3c52ddcdc548e7fbe65112d8a7bdc9cd105b4750 Mon Sep 17 00:00:00 2001 From: Ladi Prosek Date: Thu, 3 Mar 2016 09:37:15 +0100 Subject: [PATCH] rng: remove the unused request cancellation code rng_backend_cancel_requests had no callers and none of the code deleted in this commit ever ran. Signed-off-by: Ladi Prosek Reviewed-by: Amit Shah Message-Id: <1456994238-9585-2-git-send-email-lprosek@redhat.com> Signed-off-by: Amit Shah --- backends/rng-egd.c | 12 ------------ backends/rng.c | 9 --------- include/sysemu/rng.h | 11 ----------- 3 files changed, 32 deletions(-) diff --git a/backends/rng-egd.c b/backends/rng-egd.c index 2de5cd5fef..0b2976ae45 100644 --- a/backends/rng-egd.c +++ b/backends/rng-egd.c @@ -125,17 +125,6 @@ static void rng_egd_free_requests(RngEgd *s) s->requests = NULL; } -static void rng_egd_cancel_requests(RngBackend *b) -{ - RngEgd *s = RNG_EGD(b); - - /* We simply delete the list of pending requests. If there is data in the - * queue waiting to be read, this is okay, because there will always be - * more data than we requested originally - */ - rng_egd_free_requests(s); -} - static void rng_egd_opened(RngBackend *b, Error **errp) { RngEgd *s = RNG_EGD(b); @@ -213,7 +202,6 @@ static void rng_egd_class_init(ObjectClass *klass, void *data) RngBackendClass *rbc = RNG_BACKEND_CLASS(klass); rbc->request_entropy = rng_egd_request_entropy; - rbc->cancel_requests = rng_egd_cancel_requests; rbc->opened = rng_egd_opened; } diff --git a/backends/rng.c b/backends/rng.c index b7820ef471..2f2f3ee4eb 100644 --- a/backends/rng.c +++ b/backends/rng.c @@ -26,15 +26,6 @@ void rng_backend_request_entropy(RngBackend *s, size_t size, } } -void rng_backend_cancel_requests(RngBackend *s) -{ - RngBackendClass *k = RNG_BACKEND_GET_CLASS(s); - - if (k->cancel_requests) { - k->cancel_requests(s); - } -} - static bool rng_backend_prop_get_opened(Object *obj, Error **errp) { RngBackend *s = RNG_BACKEND(obj); diff --git a/include/sysemu/rng.h b/include/sysemu/rng.h index 858be8cef4..87b3ebec99 100644 --- a/include/sysemu/rng.h +++ b/include/sysemu/rng.h @@ -37,7 +37,6 @@ struct RngBackendClass void (*request_entropy)(RngBackend *s, size_t size, EntropyReceiveFunc *receive_entropy, void *opaque); - void (*cancel_requests)(RngBackend *s); void (*opened)(RngBackend *s, Error **errp); }; @@ -68,14 +67,4 @@ struct RngBackend void rng_backend_request_entropy(RngBackend *s, size_t size, EntropyReceiveFunc *receive_entropy, void *opaque); - -/** - * rng_backend_cancel_requests: - * @s: the backend to cancel all pending requests in - * - * Cancels all pending requests submitted by @rng_backend_request_entropy. This - * should be used by a device during reset or in preparation for live migration - * to stop tracking any request. - */ -void rng_backend_cancel_requests(RngBackend *s); #endif