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scsi: core: Fix possible memory leak if device_add() fails

If device_add() returns error, the name allocated by dev_set_name() needs
be freed. As the comment of device_add() says, put_device() should be used
to decrease the reference count in the error path. So fix this by calling
put_device(), then the name can be freed in kobject_cleanp().

Fixes: ee959b00c335 ("SCSI: convert struct class_device to struct device")
Signed-off-by: Zhu Wang <wangzhu9@huawei.com>
Link: https://lore.kernel.org/r/20230803020230.226903-1-wangzhu9@huawei.com
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

authored by

Zhu Wang and committed by
Martin K. Petersen 04b5b5cb 9426d3ce

+1
+1
drivers/scsi/raid_class.c
··· 248 248 return 0; 249 249 250 250 err_out: 251 + put_device(&rc->dev); 251 252 list_del(&rc->node); 252 253 rd->component_count--; 253 254 put_device(component_dev);