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authorMartin Pitt <martin.pitt@ubuntu.com>2016-02-11 13:29:53 +0100
committerMartin Pitt <martin.pitt@ubuntu.com>2016-02-11 13:29:53 +0100
commitc8385ece1e3d7207b3898474925d53e9a656c9b5 (patch)
tree8d42544c8b724874b348c815f636c7132fa66fe2 /src/core/automount.c
parentcf92d86020fea4987040d1c4c1da5126a9d3cf7a (diff)
parente903182e5b0daa941de47a9c08c824106cec7fe0 (diff)
Merge pull request #2576 from poettering/random-fixes
Random fixes
Diffstat (limited to 'src/core/automount.c')
-rw-r--r--src/core/automount.c25
1 files changed, 22 insertions, 3 deletions
diff --git a/src/core/automount.c b/src/core/automount.c
index 772ec222ca..5dc6fd98e7 100644
--- a/src/core/automount.c
+++ b/src/core/automount.c
@@ -726,7 +726,15 @@ static void automount_enter_runnning(Automount *a) {
if (!S_ISDIR(st.st_mode) || st.st_dev != a->dev_id)
log_unit_info(UNIT(a), "Automount point already active?");
else {
- r = manager_add_job(UNIT(a)->manager, JOB_START, UNIT_TRIGGER(UNIT(a)), JOB_REPLACE, &error, NULL);
+ Unit *trigger;
+
+ trigger = UNIT_TRIGGER(UNIT(a));
+ if (!trigger) {
+ log_unit_error(UNIT(a), "Unit to trigger vanished.");
+ goto fail;
+ }
+
+ r = manager_add_job(UNIT(a)->manager, JOB_START, trigger, JOB_REPLACE, &error, NULL);
if (r < 0) {
log_unit_warning(UNIT(a), "Failed to queue mount startup job: %s", bus_error_message(&error, r));
goto fail;
@@ -742,6 +750,7 @@ fail:
static int automount_start(Unit *u) {
Automount *a = AUTOMOUNT(u);
+ Unit *trigger;
assert(a);
assert(a->state == AUTOMOUNT_DEAD || a->state == AUTOMOUNT_FAILED);
@@ -751,8 +760,11 @@ static int automount_start(Unit *u) {
return -EEXIST;
}
- if (UNIT_TRIGGER(u)->load_state != UNIT_LOADED)
+ trigger = UNIT_TRIGGER(u);
+ if (!trigger || trigger->load_state != UNIT_LOADED) {
+ log_unit_error(u, "Refusing to start, unit to trigger not loaded.");
return -ENOENT;
+ }
a->result = AUTOMOUNT_SUCCESS;
automount_enter_waiting(a);
@@ -899,6 +911,7 @@ static int automount_dispatch_io(sd_event_source *s, int fd, uint32_t events, vo
union autofs_v5_packet_union packet;
Automount *a = AUTOMOUNT(userdata);
struct stat st;
+ Unit *trigger;
int r;
assert(a);
@@ -971,7 +984,13 @@ static int automount_dispatch_io(sd_event_source *s, int fd, uint32_t events, vo
break;
}
- r = manager_add_job(UNIT(a)->manager, JOB_STOP, UNIT_TRIGGER(UNIT(a)), JOB_REPLACE, &error, NULL);
+ trigger = UNIT_TRIGGER(UNIT(a));
+ if (!trigger) {
+ log_unit_error(UNIT(a), "Unit to trigger vanished.");
+ goto fail;
+ }
+
+ r = manager_add_job(UNIT(a)->manager, JOB_STOP, trigger, JOB_REPLACE, &error, NULL);
if (r < 0) {
log_unit_warning(UNIT(a), "Failed to queue umount startup job: %s", bus_error_message(&error, r));
goto fail;