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udev-util: assume system is running on AC power when no battery found

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Fixes #24214.
This commit is contained in:
Yu Watanabe 2022-08-06 03:42:29 +09:00
parent 1c6e17e5d1
commit 96788d2aa4
1 changed files with 5 additions and 2 deletions
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7
src/shared/udev-util.c
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@ -661,7 +661,7 @@ static int device_is_power_sink(sd_device *device) {
int on_ac_power(void) {
_cleanup_(sd_device_enumerator_unrefp) sd_device_enumerator *e = NULL;
bool found_offline = false, found_online = false;
bool found_offline = false, found_online = false, found_battery = false;
sd_device *d;
int r;
@ -692,6 +692,7 @@ int on_ac_power(void) {
* for defined power source types. Also see:
* https://docs.kernel.org/admin-guide/abi-testing.html#abi-file-testing-sysfs-class-power */
if (streq(val, "Battery")) {
found_battery = true;
log_device_debug(d, "The power supply is battery, ignoring.");
continue;
}
@ -732,10 +733,12 @@ int on_ac_power(void) {
log_debug("Found at least one online non-battery power supply, system is running on AC power.");
else if (!found_offline)
log_debug("Found no offline non-battery power supply, assuming system is running on AC power.");
else if (!found_battery)
log_debug("Found no battery, assuming system is running on AC power.");
else
log_debug("All non-battery power supplies are offline, assuming system is running with battery.");
return found_online || !found_offline;
return found_online || !found_offline || !found_battery;
}
bool udev_available(void) {