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power: supply: fix residue sysfs file in error handle route of __powe…
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…r_supply_register()

[ Upstream commit 5b79480 ]

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: 80c6463 ("power_supply: Fix Oops from NULL pointer dereference from wakeup_source_activate")
Signed-off-by: Zeng Heng <zengheng4@huawei.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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henryZe authored and gregkh committed Dec 31, 2022
1 parent fa80f14 commit a9b65ba
Showing 1 changed file with 1 addition and 1 deletion.
2 changes: 1 addition & 1 deletion drivers/power/supply/power_supply_core.c
Original file line number Diff line number Diff line change
Expand Up @@ -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:
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