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From 728b5cc04fe75f2b46a34c78a94fe906f34596f1 Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Tue, 7 Apr 2015 16:03:45 +0200
Subject: [PATCH] path-util: fix more path_is_mount e792e890f fallout
(cherry picked from commit da00518b3f3a8b08d521c4b72068eafa2db566cc)
Related: 1585411
---
src/core/automount.c | 6 ++----
src/nspawn/nspawn.c | 2 +-
src/shared/cgroup-util.c | 6 ++++--
src/test/test-path-util.c | 10 ++++++++--
4 files changed, 15 insertions(+), 9 deletions(-)
diff --git a/src/core/automount.c b/src/core/automount.c
index 4678bdc7c9..590b1952e0 100644
--- a/src/core/automount.c
+++ b/src/core/automount.c
@@ -789,10 +789,8 @@ static int automount_start(Unit *u) {
assert(a);
assert(a->state == AUTOMOUNT_DEAD || a->state == AUTOMOUNT_FAILED);
- if (path_is_mount_point(a->where, false)) {
- log_unit_error(u->id,
- "Path %s is already a mount point, refusing start for %s",
- a->where, u->id);
+ if (path_is_mount_point(a->where, false) > 0) {
+ log_unit_error(u->id, "Path %s is already a mount point, refusing start for %s", a->where, u->id);
return -EEXIST;
}
diff --git a/src/nspawn/nspawn.c b/src/nspawn/nspawn.c
index ee2e1832f1..e7ecee8674 100644
--- a/src/nspawn/nspawn.c
+++ b/src/nspawn/nspawn.c
@@ -864,7 +864,7 @@ static int mount_all(const char *dest) {
return log_oom();
t = path_is_mount_point(where, true);
- if (t < 0) {
+ if (t < 0 && t != -ENOENT) {
log_error_errno(t, "Failed to detect whether %s is a mount point: %m", where);
if (r == 0)
diff --git a/src/shared/cgroup-util.c b/src/shared/cgroup-util.c
index 4585450b39..f1bed8a25a 100644
--- a/src/shared/cgroup-util.c
+++ b/src/shared/cgroup-util.c
@@ -489,8 +489,10 @@ int cg_get_path(const char *controller, const char *path, const char *suffix, ch
int r;
r = path_is_mount_point("/sys/fs/cgroup", false);
- if (r <= 0)
- return r < 0 ? r : -ENOENT;
+ if (r < 0)
+ return r;
+ if (r == 0)
+ return -ENOENT;
/* Cache this to save a few stat()s */
good = true;
diff --git a/src/test/test-path-util.c b/src/test/test-path-util.c
index aee1f4e036..aebfa3821d 100644
--- a/src/test/test-path-util.c
+++ b/src/test/test-path-util.c
@@ -86,8 +86,14 @@ static void test_path(void) {
test_parent("/aa///file...", "/aa///");
test_parent("file.../", NULL);
- assert_se(path_is_mount_point("/", true));
- assert_se(path_is_mount_point("/", false));
+ assert_se(path_is_mount_point("/", true) > 0);
+ assert_se(path_is_mount_point("/", false) > 0);
+
+ assert_se(path_is_mount_point("/proc", true) > 0);
+ assert_se(path_is_mount_point("/proc", false) > 0);
+
+ assert_se(path_is_mount_point("/sys", true) > 0);
+ assert_se(path_is_mount_point("/sys", false) > 0);
{
char p1[] = "aaa/bbb////ccc";