mirror of
https://github.com/systemd/systemd.git
synced 2024-10-31 16:21:26 +03:00
sd-device: move comment about NULL value
It is not intuitive, and I do not know why the function behave so. But let's keep that behavior for compatibility, as such behavior may be already used explicitly by callers.
This commit is contained in:
parent
2a0ebc0569
commit
2f7a2e3952
@ -1946,8 +1946,6 @@ static void device_remove_cached_sysattr_value(sd_device *device, const char *_k
|
||||
free(hashmap_remove2(device->sysattr_values, _key, (void **) &key));
|
||||
}
|
||||
|
||||
/* set the attribute and save it in the cache. If a NULL value is passed the
|
||||
* attribute is cleared from the cache */
|
||||
_public_ int sd_device_set_sysattr_value(sd_device *device, const char *sysattr, const char *_value) {
|
||||
_cleanup_free_ char *value = NULL;
|
||||
const char *syspath, *path;
|
||||
@ -1957,7 +1955,10 @@ _public_ int sd_device_set_sysattr_value(sd_device *device, const char *sysattr,
|
||||
assert_return(device, -EINVAL);
|
||||
assert_return(sysattr, -EINVAL);
|
||||
|
||||
/* Set the attribute and save it in the cache. */
|
||||
|
||||
if (!_value) {
|
||||
/* If input value is NULL, then clear cache and not write anything. */
|
||||
device_remove_cached_sysattr_value(device, sysattr);
|
||||
return 0;
|
||||
}
|
||||
|
Loading…
Reference in New Issue
Block a user