linux-kernel - Re: linux-next: build warning after merge of the block tree

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Date:   Thu, 17 Oct 2019 18:59:34 -0600
From:   Jens Axboe <axboe@...nel.dk>
To:     Stephen Rothwell <sfr@...b.auug.org.au>
Cc:     Linux Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: linux-next: build warning after merge of the block tree

On 10/17/19 6:56 PM, Jens Axboe wrote:
> On 10/17/19 6:51 PM, Stephen Rothwell wrote:
>> Hi all,
>>
>> After merging the block tree, today's linux-next build (arm
>> multi_v7_defconfig) produced this warning:
>>
>> fs/io_uring.c: In function 'io_accept':
>> fs/io_uring.c:1729:9: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
>>    1729 |  addr = (struct sockaddr __user *) READ_ONCE(sqe->addr);
>>         |         ^
>> fs/io_uring.c:1730:13: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
>>    1730 |  addr_len = (int __user *) READ_ONCE(sqe->addr2);
>>         |             ^
>>
>> Introduced by commit
>>
>>     d674c2b9335f ("io_uring: add support for IORING_OP_ACCEPT")
>>
>> addr and addr2 are __u64 ...
> 
> I'll fix these warnings up, guessing it's 32-bit?

Should be fixed up and pushed out now.

-- 
Jens Axboe