From: Lennart Poettering <lennart@poettering.net>
Date: Tue, 31 Aug 2010 21:51:12 +0000 (+0200)
Subject: manager: make sure we free the dbus error only if we actually use one
X-Git-Tag: v9~20
X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=commitdiff_plain;h=60dc72b563cdd4166cc6cb4e3c790bdfe1570ad2

manager: make sure we free the dbus error only if we actually use one
---

diff --git a/src/manager.c b/src/manager.c
index c22aa3ece..bc589bacc 100644
--- a/src/manager.c
+++ b/src/manager.c
@@ -1432,13 +1432,17 @@ static int transaction_add_job_and_dependencies(
                         SET_FOREACH(dep, ret->unit->meta.dependencies[UNIT_REQUIRES_OVERRIDABLE], i)
                                 if ((r = transaction_add_job_and_dependencies(m, JOB_START, dep, ret, !override, override, false, e, NULL)) < 0 && r != -EBADR) {
                                         log_warning("Cannot add dependency job for unit %s, ignoring: %s", dep->meta.id, bus_error(e, r));
-                                        dbus_error_free(e);
+
+                                        if (e)
+                                                dbus_error_free(e);
                                 }
 
                         SET_FOREACH(dep, ret->unit->meta.dependencies[UNIT_WANTS], i)
                                 if ((r = transaction_add_job_and_dependencies(m, JOB_START, dep, ret, false, false, false, e, NULL)) < 0) {
                                         log_warning("Cannot add dependency job for unit %s, ignoring: %s", dep->meta.id, bus_error(e, r));
-                                        dbus_error_free(e);
+
+                                        if (e)
+                                                dbus_error_free(e);
                                 }
 
                         SET_FOREACH(dep, ret->unit->meta.dependencies[UNIT_REQUISITE], i)
@@ -1448,7 +1452,9 @@ static int transaction_add_job_and_dependencies(
                         SET_FOREACH(dep, ret->unit->meta.dependencies[UNIT_REQUISITE_OVERRIDABLE], i)
                                 if ((r = transaction_add_job_and_dependencies(m, JOB_VERIFY_ACTIVE, dep, ret, !override, override, false, e, NULL)) < 0 && r != -EBADR) {
                                         log_warning("Cannot add dependency job for unit %s, ignoring: %s", dep->meta.id, bus_error(e, r));
-                                        dbus_error_free(e);
+
+                                        if (e)
+                                                dbus_error_free(e);
                                 }
 
                         SET_FOREACH(dep, ret->unit->meta.dependencies[UNIT_CONFLICTS], i)