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Diffstat (limited to 'src/libsystemd/sd-device/sd-device.c')
-rw-r--r--src/libsystemd/sd-device/sd-device.c37
1 files changed, 23 insertions, 14 deletions
diff --git a/src/libsystemd/sd-device/sd-device.c b/src/libsystemd/sd-device/sd-device.c
index 7cea5a0746..e46546ed91 100644
--- a/src/libsystemd/sd-device/sd-device.c
+++ b/src/libsystemd/sd-device/sd-device.c
@@ -169,11 +169,10 @@ int device_set_syspath(sd_device *device, const char *_syspath, bool verify) {
/* the device does not exist (any more?) */
return -ENODEV;
- log_debug("sd-device: could not canonicalize '%s': %m", _syspath);
- return -errno;
+ return log_debug_errno(errno, "sd-device: could not canonicalize '%s': %m", _syspath);
}
} else if (r < 0) {
- log_debug("sd-device: could not get target of '%s': %s", _syspath, strerror(-r));
+ log_debug_errno(r, "sd-device: could not get target of '%s': %m", _syspath);
return r;
}
@@ -296,15 +295,27 @@ _public_ int sd_device_new_from_subsystem_sysname(sd_device **ret, const char *s
} else
return -EINVAL;
} else {
- syspath = strjoina("/sys/subsystem/", subsystem, "/devices/", sysname);
+ char *name;
+ size_t len = 0;
+
+ /* translate sysname back to sysfs filename */
+ name = strdupa(sysname);
+ while (name[len] != '\0') {
+ if (name[len] == '/')
+ name[len] = '!';
+
+ len ++;
+ }
+
+ syspath = strjoina("/sys/subsystem/", subsystem, "/devices/", name);
if (access(syspath, F_OK) >= 0)
return sd_device_new_from_syspath(ret, syspath);
- syspath = strjoina("/sys/bus/", subsystem, "/devices/", sysname);
+ syspath = strjoina("/sys/bus/", subsystem, "/devices/", name);
if (access(syspath, F_OK) >= 0)
return sd_device_new_from_syspath(ret, syspath);
- syspath = strjoina("/sys/class/", subsystem, "/", sysname);
+ syspath = strjoina("/sys/class/", subsystem, "/", name);
if (access(syspath, F_OK) >= 0)
return sd_device_new_from_syspath(ret, syspath);
}
@@ -516,7 +527,7 @@ int device_read_uevent_file(sd_device *device) {
/* some devices may not have uevent files, see set_syspath() */
return 0;
else if (r < 0) {
- log_debug("sd-device: failed to read uevent file '%s': %s", path, strerror(-r));
+ log_debug_errno(r, "sd-device: failed to read uevent file '%s': %m", path);
return r;
}
@@ -555,7 +566,7 @@ int device_read_uevent_file(sd_device *device) {
r = handle_uevent_line(device, key, value, &major, &minor);
if (r < 0)
- log_debug("sd-device: failed to handle uevent entry '%s=%s': %s", key, value, strerror(-r));
+ log_debug_errno(r, "sd-device: failed to handle uevent entry '%s=%s': %m", key, value);
state = PRE_KEY;
}
@@ -569,7 +580,7 @@ int device_read_uevent_file(sd_device *device) {
if (major) {
r = device_set_devnum(device, major, minor);
if (r < 0)
- log_debug("sd-device: could not set 'MAJOR=%s' or 'MINOR=%s' from '%s': %s", major, minor, path, strerror(-r));
+ log_debug_errno(r, "sd-device: could not set 'MAJOR=%s' or 'MINOR=%s' from '%s': %m", major, minor, path);
}
return 0;
@@ -1271,10 +1282,8 @@ int device_read_db_aux(sd_device *device, bool force) {
if (r < 0) {
if (r == -ENOENT)
return 0;
- else {
- log_debug("sd-device: failed to read db '%s': %s", path, strerror(-r));
- return r;
- }
+ else
+ return log_debug_errno(r, "sd-device: failed to read db '%s': %m", path);
}
/* devices with a database entry are initialized */
@@ -1318,7 +1327,7 @@ int device_read_db_aux(sd_device *device, bool force) {
db[i] = '\0';
r = handle_db_line(device, key, value);
if (r < 0)
- log_debug("sd-device: failed to handle db entry '%c:%s': %s", key, value, strerror(-r));
+ log_debug_errno(r, "sd-device: failed to handle db entry '%c:%s': %m", key, value);
state = PRE_KEY;
}