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-rw-r--r--src/core/umount.c42
-rw-r--r--src/login/logind-dbus.c73
-rw-r--r--src/login/sysfs-show.c45
3 files changed, 72 insertions, 88 deletions
diff --git a/src/core/umount.c b/src/core/umount.c
index e7460cb6bf..30111bea80 100644
--- a/src/core/umount.c
+++ b/src/core/umount.c
@@ -202,9 +202,10 @@ finish:
}
static int loopback_list_get(MountPoint **head) {
- _cleanup_udev_unref_ struct udev *udev;
_cleanup_udev_enumerate_unref_ struct udev_enumerate *e = NULL;
struct udev_list_entry *item = NULL, *first = NULL;
+ _cleanup_udev_unref_ struct udev *udev = NULL;
+ int r;
assert(head);
@@ -216,13 +217,21 @@ static int loopback_list_get(MountPoint **head) {
if (!e)
return -ENOMEM;
- if (udev_enumerate_add_match_subsystem(e, "block") < 0 ||
- udev_enumerate_add_match_sysname(e, "loop*") < 0 ||
- udev_enumerate_add_match_sysattr(e, "loop/backing_file", NULL) < 0)
- return -EIO;
+ r = udev_enumerate_add_match_subsystem(e, "block");
+ if (r < 0)
+ return r;
+
+ r = udev_enumerate_add_match_sysname(e, "loop*");
+ if (r < 0)
+ return r;
- if (udev_enumerate_scan_devices(e) < 0)
- return -EIO;
+ r = udev_enumerate_add_match_sysattr(e, "loop/backing_file", NULL);
+ if (r < 0)
+ return r;
+
+ r = udev_enumerate_scan_devices(e);
+ if (r < 0)
+ return r;
first = udev_enumerate_get_list_entry(e);
udev_list_entry_foreach(item, first) {
@@ -257,9 +266,10 @@ static int loopback_list_get(MountPoint **head) {
}
static int dm_list_get(MountPoint **head) {
- _cleanup_udev_unref_ struct udev *udev;
_cleanup_udev_enumerate_unref_ struct udev_enumerate *e = NULL;
struct udev_list_entry *item = NULL, *first = NULL;
+ _cleanup_udev_unref_ struct udev *udev = NULL;
+ int r;
assert(head);
@@ -271,15 +281,19 @@ static int dm_list_get(MountPoint **head) {
if (!e)
return -ENOMEM;
- if (udev_enumerate_add_match_subsystem(e, "block") < 0 ||
- udev_enumerate_add_match_sysname(e, "dm-*") < 0)
- return -EIO;
+ r = udev_enumerate_add_match_subsystem(e, "block");
+ if (r < 0)
+ return r;
+
+ r = udev_enumerate_add_match_sysname(e, "dm-*");
+ if (r < 0)
+ return r;
- if (udev_enumerate_scan_devices(e) < 0)
- return -EIO;
+ r = udev_enumerate_scan_devices(e);
+ if (r < 0)
+ return r;
first = udev_enumerate_get_list_entry(e);
-
udev_list_entry_foreach(item, first) {
MountPoint *m;
_cleanup_udev_device_unref_ struct udev_device *d;
diff --git a/src/login/logind-dbus.c b/src/login/logind-dbus.c
index 2568eb0364..d4f95f576e 100644
--- a/src/login/logind-dbus.c
+++ b/src/login/logind-dbus.c
@@ -42,6 +42,7 @@
#include "bus-error.h"
#include "logind.h"
#include "bus-errors.h"
+#include "udev-util.h"
static int property_get_idle_hint(
sd_bus *bus,
@@ -1059,29 +1060,25 @@ static int method_set_user_linger(sd_bus *bus, sd_bus_message *message, void *us
}
static int trigger_device(Manager *m, struct udev_device *d) {
- struct udev_enumerate *e;
+ _cleanup_udev_enumerate_unref_ struct udev_enumerate *e = NULL;
struct udev_list_entry *first, *item;
int r;
assert(m);
e = udev_enumerate_new(m->udev);
- if (!e) {
- r = -ENOMEM;
- goto finish;
- }
+ if (!e)
+ return -ENOMEM;
if (d) {
- if (udev_enumerate_add_match_parent(e, d) < 0) {
- r = -EIO;
- goto finish;
- }
+ r = udev_enumerate_add_match_parent(e, d);
+ if (r < 0)
+ return r;
}
- if (udev_enumerate_scan_devices(e) < 0) {
- r = -EIO;
- goto finish;
- }
+ r = udev_enumerate_scan_devices(e);
+ if (r < 0)
+ return r;
first = udev_enumerate_get_list_entry(e);
udev_list_entry_foreach(item, first) {
@@ -1091,27 +1088,19 @@ static int trigger_device(Manager *m, struct udev_device *d) {
p = udev_list_entry_get_name(item);
t = strappend(p, "/uevent");
- if (!t) {
- r = -ENOMEM;
- goto finish;
- }
+ if (!t)
+ return -ENOMEM;
write_string_file(t, "change");
}
- r = 0;
-
-finish:
- if (e)
- udev_enumerate_unref(e);
-
- return r;
+ return 0;
}
static int attach_device(Manager *m, const char *seat, const char *sysfs) {
+ _cleanup_udev_device_unref_ struct udev_device *d = NULL;
_cleanup_free_ char *rule = NULL, *file = NULL;
const char *id_for_seat;
- struct udev_device *d;
int r;
assert(m);
@@ -1122,40 +1111,26 @@ static int attach_device(Manager *m, const char *seat, const char *sysfs) {
if (!d)
return -ENODEV;
- if (!udev_device_has_tag(d, "seat")) {
- r = -ENODEV;
- goto finish;
- }
+ if (!udev_device_has_tag(d, "seat"))
+ return -ENODEV;
id_for_seat = udev_device_get_property_value(d, "ID_FOR_SEAT");
- if (!id_for_seat) {
- r = -ENODEV;
- goto finish;
- }
+ if (!id_for_seat)
+ return -ENODEV;
- if (asprintf(&file, "/etc/udev/rules.d/72-seat-%s.rules", id_for_seat) < 0) {
- r = -ENOMEM;
- goto finish;
- }
+ if (asprintf(&file, "/etc/udev/rules.d/72-seat-%s.rules", id_for_seat) < 0)
+ return -ENOMEM;
- if (asprintf(&rule, "TAG==\"seat\", ENV{ID_FOR_SEAT}==\"%s\", ENV{ID_SEAT}=\"%s\"", id_for_seat, seat) < 0) {
- r = -ENOMEM;
- goto finish;
- }
+ if (asprintf(&rule, "TAG==\"seat\", ENV{ID_FOR_SEAT}==\"%s\", ENV{ID_SEAT}=\"%s\"", id_for_seat, seat) < 0)
+ return -ENOMEM;
mkdir_p_label("/etc/udev/rules.d", 0755);
label_init("/etc");
r = write_string_file_atomic_label(file, rule);
if (r < 0)
- goto finish;
-
- r = trigger_device(m, d);
-
-finish:
- if (d)
- udev_device_unref(d);
+ return r;
- return r;
+ return trigger_device(m, d);
}
static int flush_devices(Manager *m) {
diff --git a/src/login/sysfs-show.c b/src/login/sysfs-show.c
index 05cb787a68..3286411de8 100644
--- a/src/login/sysfs-show.c
+++ b/src/login/sysfs-show.c
@@ -42,10 +42,10 @@ static int show_sysfs_one(
assert(prefix);
while (*item) {
+ _cleanup_udev_device_unref_ struct udev_device *d = NULL;
struct udev_list_entry *next, *lookahead;
- struct udev_device *d;
const char *sn, *name, *sysfs, *subsystem, *sysname;
- char *l, *k;
+ _cleanup_free_ char *k = NULL, *l = NULL;
bool is_master;
sysfs = udev_list_entry_get_name(*item);
@@ -64,7 +64,6 @@ static int show_sysfs_one(
/* Explicitly also check for tag 'seat' here */
if (!streq(seat, sn) || !udev_device_has_tag(d, "seat")) {
- udev_device_unref(d);
*item = udev_list_entry_get_next(*item);
continue;
}
@@ -86,21 +85,17 @@ static int show_sysfs_one(
if (path_startswith(lookahead_sysfs, sub) &&
!path_startswith(lookahead_sysfs, sysfs)) {
- struct udev_device *lookahead_d;
+ _cleanup_udev_device_unref_ struct udev_device *lookahead_d = NULL;
lookahead_d = udev_device_new_from_syspath(udev, lookahead_sysfs);
if (lookahead_d) {
const char *lookahead_sn;
- bool found;
lookahead_sn = udev_device_get_property_value(d, "ID_SEAT");
if (isempty(lookahead_sn))
lookahead_sn = "seat0";
- found = streq(seat, lookahead_sn) && udev_device_has_tag(lookahead_d, "seat");
- udev_device_unref(lookahead_d);
-
- if (found)
+ if (streq(seat, lookahead_sn) && udev_device_has_tag(lookahead_d, "seat"))
break;
}
}
@@ -109,43 +104,43 @@ static int show_sysfs_one(
}
k = ellipsize(sysfs, n_columns, 20);
- printf("%s%s%s\n", prefix, draw_special_char(lookahead ? DRAW_TREE_BRANCH : DRAW_TREE_RIGHT),
- k ? k : sysfs);
- free(k);
+ if (!k)
+ return -ENOMEM;
+
+ printf("%s%s%s\n", prefix, draw_special_char(lookahead ? DRAW_TREE_BRANCH : DRAW_TREE_RIGHT), k);
if (asprintf(&l,
"%s%s:%s%s%s%s",
is_master ? "[MASTER] " : "",
subsystem, sysname,
- name ? " \"" : "", name ? name : "", name ? "\"" : "") < 0) {
- udev_device_unref(d);
+ name ? " \"" : "", name ? name : "", name ? "\"" : "") < 0)
return -ENOMEM;
- }
- k = ellipsize(l, n_columns, 70);
- printf("%s%s%s\n", prefix, lookahead ? draw_special_char(DRAW_TREE_VERT) : " ",
- k ? k : l);
free(k);
- free(l);
+ k = ellipsize(l, n_columns, 70);
+ if (!k)
+ return -ENOMEM;
+
+ printf("%s%s%s\n", prefix, lookahead ? draw_special_char(DRAW_TREE_VERT) : " ", k);
*item = next;
if (*item) {
- char *p;
+ _cleanup_free_ char *p = NULL;
p = strappend(prefix, lookahead ? draw_special_char(DRAW_TREE_VERT) : " ");
- show_sysfs_one(udev, seat, item, sysfs, p ? p : prefix, n_columns - 2);
- free(p);
- }
+ if (!p)
+ return -ENOMEM;
- udev_device_unref(d);
+ show_sysfs_one(udev, seat, item, sysfs, p, n_columns - 2);
+ }
}
return 0;
}
int show_sysfs(const char *seat, const char *prefix, unsigned n_columns) {
- _cleanup_udev_unref_ struct udev *udev;
_cleanup_udev_enumerate_unref_ struct udev_enumerate *e = NULL;
+ _cleanup_udev_unref_ struct udev *udev = NULL;
struct udev_list_entry *first = NULL;
int r;
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-12-18 14:22:32 +0000