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