| Message ID | 20221117083219.4147592-1-zengheng4@huawei.com (mailing list archive) |
|---|---|
| State | Handled Elsewhere, archived |
| Headers | show |
| Series | power: supply: fix residue sysfs file in error handle route of __power_supply_register() | expand |
diff --git a/drivers/power/supply/power_supply_core.c b/drivers/power/supply/power_supply_core.c index 4b5fb172fa99..9bae94d2ea3a 100644 --- a/drivers/power/supply/power_supply_core.c +++ b/drivers/power/supply/power_supply_core.c @@ -1387,8 +1387,8 @@ __power_supply_register(struct device *parent, register_cooler_failed: psy_unregister_thermal(psy); register_thermal_failed: - device_del(dev); wakeup_init_failed: + device_del(dev); device_add_failed: check_supplies_failed: dev_set_name_failed:
If device_add() succeeds, we should call device_del() when want to get rid of it, so move it into proper jump symbol. Otherwise, when __power_supply_register() returns fail and goto wakeup_init_failed to exit, there is still residue device file in sysfs. When attempt to probe device again, sysfs would complain as below: sysfs: cannot create duplicate filename '/devices/platform/i2c/i2c-0/0-001c/power_supply/adp5061' Call Trace: dump_stack_lvl+0x68/0x85 sysfs_warn_dup.cold+0x1c/0x29 sysfs_create_dir_ns+0x1b1/0x1d0 kobject_add_internal+0x143/0x390 kobject_add+0x108/0x170 Fixes: 80c6463e2fa3 ("power_supply: Fix Oops from NULL pointer dereference from wakeup_source_activate") Signed-off-by: Zeng Heng <zengheng4@huawei.com> --- drivers/power/supply/power_supply_core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)