[PATCH v2] ubi: block: fix memleak in ubiblock_create()

Li Nan linan666 at huaweicloud.com
Thu Apr 18 02:07:54 PDT 2024


Hi, dan,

在 2024/4/15 14:33, Dan Carpenter 写道:
> On Fri, Dec 08, 2023 at 03:46:29PM +0800, linan666 at huaweicloud.com wrote:
>> From: Li Nan <linan122 at huawei.com>
>>
>> If idr_alloc() fails, dev->gd will be put after goto out_cleanup_disk in
>> ubiblock_create(), but dev->gd has not been assigned yet at this time, and
>> 'gd' will not be put anymore. Fix it by putting 'gd' directly.
>>
> 
> There is another invalid reference to dev->gd if blk_mq_alloc_tag_set()
> fails.
> 
> 	dev_err(disk_to_dev(dev->gd), "blk_mq_alloc_tag_set failed");
>                              ^^^^^^^
> 

You are really very careful! I will fix it later.

> regards,
> dan carpenter

-- 
Thanks,
Nan




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