diff options
Diffstat (limited to 'src/libsystemd/sd-device/sd-device.c')
| -rw-r--r-- | src/libsystemd/sd-device/sd-device.c | 37 |
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; } |