summaryrefslogtreecommitdiff
path: root/src/libsystemd/sd-device
diff options
context:
space:
mode:
Diffstat (limited to 'src/libsystemd/sd-device')
-rw-r--r--src/libsystemd/sd-device/device-enumerator.c18
-rw-r--r--src/libsystemd/sd-device/sd-device.c16
2 files changed, 22 insertions, 12 deletions
diff --git a/src/libsystemd/sd-device/device-enumerator.c b/src/libsystemd/sd-device/device-enumerator.c
index 3692d46e06..7fd77e9480 100644
--- a/src/libsystemd/sd-device/device-enumerator.c
+++ b/src/libsystemd/sd-device/device-enumerator.c
@@ -137,7 +137,6 @@ _public_ int sd_device_enumerator_add_match_sysattr(sd_device_enumerator *enumer
assert_return(enumerator, -EINVAL);
assert_return(_sysattr, -EINVAL);
- assert_return(_value, -EINVAL);
if (match)
hashmap = &enumerator->match_sysattr;
@@ -152,9 +151,11 @@ _public_ int sd_device_enumerator_add_match_sysattr(sd_device_enumerator *enumer
if (!sysattr)
return -ENOMEM;
- value = strdup(_value);
- if (!value)
- return -ENOMEM;
+ if (_value) {
+ value = strdup(_value);
+ if (!value)
+ return -ENOMEM;
+ }
r = hashmap_put(*hashmap, sysattr, value);
if (r < 0)
@@ -174,7 +175,6 @@ _public_ int sd_device_enumerator_add_match_property(sd_device_enumerator *enume
assert_return(enumerator, -EINVAL);
assert_return(_property, -EINVAL);
- assert_return(_value, -EINVAL);
r = hashmap_ensure_allocated(&enumerator->match_property, NULL);
if (r < 0)
@@ -184,9 +184,11 @@ _public_ int sd_device_enumerator_add_match_property(sd_device_enumerator *enume
if (!property)
return -ENOMEM;
- value = strdup(_value);
- if (!value)
- return -ENOMEM;
+ if (_value) {
+ value = strdup(_value);
+ if (!value)
+ return -ENOMEM;
+ }
r = hashmap_put(enumerator->match_property, property, value);
if (r < 0)
diff --git a/src/libsystemd/sd-device/sd-device.c b/src/libsystemd/sd-device/sd-device.c
index 97da4a8eea..8e63b9ef56 100644
--- a/src/libsystemd/sd-device/sd-device.c
+++ b/src/libsystemd/sd-device/sd-device.c
@@ -785,7 +785,7 @@ _public_ int sd_device_get_subsystem(sd_device *device, const char **ret) {
path_startswith(device->devpath, "/class/") ||
path_startswith(device->devpath, "/bus/"))
r = device_set_subsystem(device, "subsystem");
- if (r < 0)
+ if (r < 0 && r != -ENOENT)
return log_debug_errno(r, "sd-device: could not set subsystem for %s: %m", device->devpath);
device->subsystem_set = true;
@@ -901,8 +901,11 @@ _public_ int sd_device_get_driver(sd_device *device, const char **ret) {
if (r >= 0) {
r = device_set_driver(device, driver);
if (r < 0)
- return r;
- }
+ return log_debug_errno(r, "sd-device: could not set driver for %s: %m", device->devpath);
+ } else if (r == -ENOENT)
+ device->driver_set = true;
+ else
+ return log_debug_errno(r, "sd-device: could not set driver for %s: %m", device->devpath);
}
*ret = device->driver;
@@ -1188,6 +1191,8 @@ int device_get_id_filename(sd_device *device, const char **ret) {
return r;
if (major(devnum) > 0) {
+ assert(subsystem);
+
/* use dev_t -- b259:131072, c254:0 */
r = asprintf(&id, "%c%u:%u",
streq(subsystem, "block") ? 'b' : 'c',
@@ -1209,6 +1214,9 @@ int device_get_id_filename(sd_device *device, const char **ret) {
if (!sysname)
return -EINVAL;
+ if (!subsystem)
+ return -EINVAL;
+
r = asprintf(&id, "+%s:%s", subsystem, sysname);
if (r < 0)
return -ENOMEM;
@@ -1262,7 +1270,7 @@ int device_read_db_aux(sd_device *device, bool force) {
}
/* devices with a database entry are initialized */
- device->is_initialized = true;;
+ device->is_initialized = true;
for (i = 0; i < db_len; i++) {
switch (state) {