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various: correct laccess() error check

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laccess is our own macro that uses RET_NERRNO.

(cherry picked from commit 7c1dd9e288)
This commit is contained in:
Mike Yuan 2024-10-04 21:05:21 +02:00 committed by Luca Boccassi
parent 902877d55e
commit 4296a567d4
10 changed files with 54 additions and 48 deletions
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5
src/basic/os-util.c
View File

@ -97,8 +97,9 @@ int path_is_extension_tree(ImageClass image_class, const char *path, const char
/* Does the path exist at all? If not, generate an error immediately. This is useful so that a missing root dir
* always results in -ENOENT, and we can properly distinguish the case where the whole root doesn't exist from
* the case where just the os-release file is missing. */
if (laccess(path, F_OK) < 0)
return -errno;
r = laccess(path, F_OK);
if (r < 0)
return r;
/* We use /usr/lib/extension-release.d/extension-release[.NAME] as flag for something being a system extension,
* /etc/extension-release.d/extension-release[.NAME] as flag for something being a system configuration, and finally,

9
src/basic/path-lookup.c
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@ -904,6 +904,7 @@ char **env_generator_binary_paths(RuntimeScope runtime_scope) {
int find_portable_profile(const char *name, const char *unit, char **ret_path) {
const char *dot;
int r;
assert(name);
assert(ret_path);
@ -917,13 +918,13 @@ int find_portable_profile(const char *name, const char *unit, char **ret_path) {
if (!joined)
return -ENOMEM;
if (laccess(joined, F_OK) >= 0) {
r = laccess(joined, F_OK);
if (r >= 0) {
*ret_path = TAKE_PTR(joined);
return 0;
}
if (errno != ENOENT)
return -errno;
if (r != -ENOENT)
return r;
}
return -ENOENT;

5
src/coredump/coredump.c
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@ -1456,8 +1456,9 @@ static int forward_coredump_to_container(Context *context) {
pair[0] = safe_close(pair[0]);
if (laccess("/run/systemd/coredump", W_OK) < 0) {
log_debug_errno(errno, "Cannot find coredump socket, exiting: %m");
r = laccess("/run/systemd/coredump", W_OK);
if (r < 0) {
log_debug_errno(r, "Cannot find coredump socket, exiting: %m");
_exit(EXIT_FAILURE);
}

8
src/home/homework-luks.c
View File

@ -1996,11 +1996,11 @@ static int wait_for_devlink(const char *path) {
_cleanup_free_ char *dn = NULL;
usec_t w;
if (laccess(path, F_OK) < 0) {
if (errno != ENOENT)
return log_error_errno(errno, "Failed to determine whether %s exists: %m", path);
} else
r = laccess(path, F_OK);
if (r >= 0)
return 0; /* Found it */
if (r != -ENOENT)
return log_error_errno(r, "Failed to determine whether %s exists: %m", path);
if (inotify_fd < 0) {
/* We need to wait for the device symlink to show up, let's create an inotify watch for it */

8
src/kernel-install/kernel-install.c
View File

@ -1110,12 +1110,10 @@ static int kernel_from_version(const char *version, char **ret_kernel) {
return log_oom();
r = laccess(vmlinuz, F_OK);
if (r < 0) {
if (r == -ENOENT)
return log_error_errno(r, "Kernel image not installed to '%s', requiring manual kernel image path specification.", vmlinuz);
if (r == -ENOENT)
return log_error_errno(r, "Kernel image not installed to '%s', requiring manual kernel image path specification.", vmlinuz);
if (r < 0)
return log_error_errno(r, "Failed to determine if kernel image is installed to '%s': %m", vmlinuz);
}
*ret_kernel = TAKE_PTR(vmlinuz);
return 0;

15
src/libsystemd/sd-daemon/sd-daemon.c
View File

@ -738,17 +738,18 @@ _public_ int sd_pid_notifyf_with_fds(
}
_public_ int sd_booted(void) {
/* We test whether the runtime unit file directory has been
* created. This takes place in mount-setup.c, so is
* guaranteed to happen very early during boot. */
int r;
if (laccess("/run/systemd/system/", F_OK) >= 0)
/* We test whether the runtime unit file directory has been created. This takes place in mount-setup.c,
* so is guaranteed to happen very early during boot. */
r = laccess("/run/systemd/system/", F_OK);
if (r >= 0)
return true;
if (errno == ENOENT)
if (r == -ENOENT)
return false;
return -errno;
return r;
}
_public_ int sd_watchdog_enabled(int unset_environment, uint64_t *usec) {

7
src/shared/condition.c
View File

@ -169,10 +169,11 @@ static int condition_test_credential(Condition *c, char **env) {
if (!j)
return -ENOMEM;
if (laccess(j, F_OK) >= 0)
r = laccess(j, F_OK);
if (r >= 0)
return true; /* yay! */
if (errno != ENOENT)
return -errno;
if (r != -ENOENT)
return r;
/* not found in this dir */
}

5
src/shared/mount-util.c
View File

@ -427,8 +427,9 @@ int bind_remount_one_with_mountinfo(
fs = mnt_table_find_target(table, path, MNT_ITER_FORWARD);
if (!fs) {
if (laccess(path, F_OK) < 0) /* Hmm, it's not in the mount table, but does it exist at all? */
return -errno;
r = laccess(path, F_OK); /* Hmm, it's not in the mount table, but does it exist at all? */
if (r < 0)
return r;
return -EINVAL; /* Not a mount point we recognize */
}

10
src/sysext/sysext.c
View File

@ -1748,13 +1748,11 @@ static int merge_subprocess(
if (!p)
return log_oom();
if (laccess(p, F_OK) < 0) {
if (errno != ENOENT)
return log_error_errno(errno, "Failed to check if '%s' exists: %m", p);
/* Hierarchy apparently was empty in all extensions, and wasn't mounted, ignoring. */
r = laccess(p, F_OK);
if (r == -ENOENT) /* Hierarchy apparently was empty in all extensions, and wasn't mounted, ignoring. */
continue;
}
if (r < 0)
return log_error_errno(r, "Failed to check if '%s' exists: %m", p);
r = chase(*h, arg_root, CHASE_PREFIX_ROOT|CHASE_NONEXISTENT, &resolved, NULL);
if (r < 0)

30
src/system-update-generator/system-update-generator.c
View File

@ -20,22 +20,26 @@
static const char *arg_dest = NULL;
static int generate_symlink(void) {
int r;
FOREACH_STRING(p, "/system-update", "/etc/system-update") {
if (laccess(p, F_OK) >= 0) {
_cleanup_free_ char *j = NULL;
j = path_join(arg_dest, SPECIAL_DEFAULT_TARGET);
if (!j)
return log_oom();
if (symlink(SYSTEM_DATA_UNIT_DIR "/system-update.target", j) < 0)
return log_error_errno(errno, "Failed to create symlink %s: %m", j);
return 1;
r = laccess(p, F_OK);
if (r < 0) {
if (r != -ENOENT)
log_warning_errno(r, "Failed to check if %s symlink exists, ignoring: %m", p);
continue;
}
if (errno != ENOENT)
log_warning_errno(errno, "Failed to check if %s symlink exists, ignoring: %m", p);
_cleanup_free_ char *j = NULL;
j = path_join(arg_dest, SPECIAL_DEFAULT_TARGET);
if (!j)
return log_oom();
if (symlink(SYSTEM_DATA_UNIT_DIR "/system-update.target", j) < 0)
return log_error_errno(errno, "Failed to create symlink %s: %m", j);
return 1;
}
return 0;