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systemd/SOURCES/0423-shared-add-NULL-callba...

78 lines
2.8 KiB

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