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authorWill Woods <wwoods@redhat.com>2012-10-16 17:04:34 -0400
committerLennart Poettering <lennart@poettering.net>2012-10-23 01:53:02 +0200
commitbcbd5405b1b6d9d219259e3be2c3ec4d92812bcb (patch)
treed2e30f3def858fe5b311e5c98cd15ce954781792 /src/core
parent5411ae4782270e8e82b05e4c7c8135f4eb774dda (diff)
mount: make sure m->where is set before unit_add_exec_dependencies()
If you enter unit_add_exec_dependencies with m->where = NULL, you'll very likely end up aborting somewhere under socket_needs_mount. (When systemd goes to check to see if the journald socket requires your mount, it'll do path_startswith(path, m->where)... *kaboom*) This patch should ensure that: a) both branches in mount_add_one() set m->where, and b) mount_add_extras() calls unit_add_exec_dependencies() *after* setting m->where.
Diffstat (limited to 'src/core')
-rw-r--r--src/core/mount.c16
1 files changed, 12 insertions, 4 deletions
diff --git a/src/core/mount.c b/src/core/mount.c
index e1c240e31b..14f4863dc6 100644
--- a/src/core/mount.c
+++ b/src/core/mount.c
@@ -547,10 +547,6 @@ static int mount_add_extras(Mount *m) {
Unit *u = UNIT(m);
int r;
- r = unit_add_exec_dependencies(u, &m->exec_context);
- if (r < 0)
- return r;
-
if (UNIT(m)->fragment_path)
m->from_fragment = true;
@@ -562,6 +558,10 @@ static int mount_add_extras(Mount *m) {
path_kill_slashes(m->where);
+ r = unit_add_exec_dependencies(u, &m->exec_context);
+ if (r < 0)
+ return r;
+
if (!UNIT(m)->description) {
r = unit_set_description(u, m->where);
if (r < 0)
@@ -1459,6 +1459,14 @@ static int mount_add_one(
delete = false;
free(e);
+ if (!MOUNT(u)->where) {
+ MOUNT(u)->where = strdup(where);
+ if (!MOUNT(u)->where) {
+ r = -ENOMEM;
+ goto fail;
+ }
+ }
+
if (u->load_state == UNIT_ERROR) {
u->load_state = UNIT_LOADED;
u->load_error = 0;