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hwmon: (ibmaem) don't call platform_device_del() if platform_device_add() fails

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If platform_device_add() fails, it no need to call platform_device_del(), split
platform_device_unregister() into platform_device_del/put(), so platform_device_put()
can be called separately.

Fixes: 8808a793f0 ("ibmaem: new driver for power/energy/temp meters in IBM System X hardware")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20220701074153.4021556-1-yangyingliang@huawei.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Yang Yingliang 2022-07-01 15:41:53 +08:00 committed by Guenter Roeck
parent f0aa153b6c
commit d0e51022a0
1 changed files with 8 additions and 4 deletions
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12
drivers/hwmon/ibmaem.c
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@ -550,7 +550,7 @@ static int aem_init_aem1_inst(struct aem_ipmi_data *probe, u8 module_handle)
res = platform_device_add(data->pdev);
if (res)
goto ipmi_err;
goto dev_add_err;
platform_set_drvdata(data->pdev, data);
@ -598,7 +598,9 @@ hwmon_reg_err:
ipmi_destroy_user(data->ipmi.user);
ipmi_err:
platform_set_drvdata(data->pdev, NULL);
platform_device_unregister(data->pdev);
platform_device_del(data->pdev);
dev_add_err:
platform_device_put(data->pdev);
dev_err:
ida_free(&aem_ida, data->id);
id_err:
@ -690,7 +692,7 @@ static int aem_init_aem2_inst(struct aem_ipmi_data *probe,
res = platform_device_add(data->pdev);
if (res)
goto ipmi_err;
goto dev_add_err;
platform_set_drvdata(data->pdev, data);
@ -738,7 +740,9 @@ hwmon_reg_err:
ipmi_destroy_user(data->ipmi.user);
ipmi_err:
platform_set_drvdata(data->pdev, NULL);
platform_device_unregister(data->pdev);
platform_device_del(data->pdev);
dev_add_err:
platform_device_put(data->pdev);
dev_err:
ida_free(&aem_ida, data->id);
id_err: