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From 48ab0db62ab23307e9f35a862a9c9b33ba3ef261 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Zbigniew=20J=C4=99drzejewski-Szmek?= <zbyszek@in.waw.pl>
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Date: Thu, 23 Apr 2020 14:53:54 +0200
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Subject: [PATCH] shared: add NULL callback check in one more place
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Follow-up for 9f65637308.
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(cherry picked from commit d3d53e5cd143bf96d1eb0e254f16fa8d458d38ce)
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Related: #1830861
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---
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src/shared/bus-wait-for-units.c | 31 +++++++++++++------------------
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1 file changed, 13 insertions(+), 18 deletions(-)
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diff --git a/src/shared/bus-wait-for-units.c b/src/shared/bus-wait-for-units.c
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index 63ba3fd422..ba97922764 100644
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--- a/src/shared/bus-wait-for-units.c
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+++ b/src/shared/bus-wait-for-units.c
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@@ -80,6 +80,15 @@ static WaitForItem *wait_for_item_free(WaitForItem *item) {
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DEFINE_TRIVIAL_CLEANUP_FUNC(WaitForItem*, wait_for_item_free);
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+static void call_unit_callback_and_wait(BusWaitForUnits *d, WaitForItem *item, bool good) {
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+ d->current = item;
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+
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+ if (item->unit_callback)
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+ item->unit_callback(d, item->bus_path, good, item->userdata);
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+
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+ wait_for_item_free(item);
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+}
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+
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static void bus_wait_for_units_clear(BusWaitForUnits *d) {
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WaitForItem *item;
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@@ -88,13 +97,8 @@ static void bus_wait_for_units_clear(BusWaitForUnits *d) {
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d->slot_disconnected = sd_bus_slot_unref(d->slot_disconnected);
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d->bus = sd_bus_unref(d->bus);
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- while ((item = hashmap_first(d->items))) {
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- d->current = item;
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-
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- if (item->unit_callback)
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- item->unit_callback(d, item->bus_path, false, item->userdata);
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- wait_for_item_free(item);
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- }
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+ while ((item = hashmap_first(d->items)))
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+ call_unit_callback_and_wait(d, item, false);
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d->items = hashmap_free(d->items);
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}
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@@ -213,13 +217,7 @@ static void wait_for_item_check_ready(WaitForItem *item) {
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return;
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}
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- if (item->unit_callback) {
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- d->current = item;
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- item->unit_callback(d, item->bus_path, true, item->userdata);
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- }
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-
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- wait_for_item_free(item);
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-
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+ call_unit_callback_and_wait(d, item, true);
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bus_wait_for_units_check_ready(d);
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}
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@@ -304,10 +302,7 @@ static int on_get_all_properties(sd_bus_message *m, void *userdata, sd_bus_error
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log_debug_errno(sd_bus_error_get_errno(error), "GetAll() failed for %s: %s",
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item->bus_path, error->message);
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- d->current = item;
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- item->unit_callback(d, item->bus_path, false, item->userdata);
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- wait_for_item_free(item);
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-
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+ call_unit_callback_and_wait(d, item, false);
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bus_wait_for_units_check_ready(d);
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return 0;
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}
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