linux-next: build warning after merge of the infiniband tree

linux-next: build warning after merge of the infiniband tree

[Stephen Rothwell]

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Hi all,

After merging the infiniband tree, today's linux-next build (x86_64
allmodconfig) produced this warning:

drivers/infiniband/hw/ipath/ipath_user_sdma.c: In function 'ipath_user_sdma_pin_pages':
drivers/infiniband/hw/ipath/ipath_user_sdma.c:283:6: warning: 'j' is used uninitialized in this function [-Wuninitialized]
  ret = get_user_pages_fast(addr, j, 0, pages);
      ^

Introduced by commit 18fec3c6bdcb ("IB/ipath: Convert
ipath_user_sdma_pin_pages() to use get_user_pages_fast()").  How did that
pass review or testing?

-- 
Cheers,
Stephen Rothwell                    sfr-3FnU+UHB4dNDw9hX6IcOSA@public.gmane.org

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RE: linux-next: build warning after merge of the infiniband tree

[Marciniszyn, Mike]

This issue was caught by Tetsuo Handa and Acked on 10/30: http://marc.info/?t=138313364500008&r=1&w=2.

Roland, I noticed that the Tetsuo's original message didn't cc the linux-rdma list?

Mike

> -----Original Message-----
> From: Stephen Rothwell [mailto:sfr-3FnU+UHB4dNDw9hX6IcOSA@public.gmane.org]
> Sent: Sunday, November 03, 2013 11:55 PM
> To: Roland Dreier; linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
> Cc: linux-next-u79uwXL29TY76Z2rM5mHXA@public.gmane.org; linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org; Jan Kara;
> Marciniszyn, Mike
> Subject: linux-next: build warning after merge of the infiniband tree
> 
> Hi all,
> 
> After merging the infiniband tree, today's linux-next build (x86_64
> allmodconfig) produced this warning:
> 
> drivers/infiniband/hw/ipath/ipath_user_sdma.c: In function
> 'ipath_user_sdma_pin_pages':
> drivers/infiniband/hw/ipath/ipath_user_sdma.c:283:6: warning: 'j' is used
> uninitialized in this function [-Wuninitialized]
>   ret = get_user_pages_fast(addr, j, 0, pages);
>       ^
> 
> Introduced by commit 18fec3c6bdcb ("IB/ipath: Convert
> ipath_user_sdma_pin_pages() to use get_user_pages_fast()").  How did that
> pass review or testing?
> 
> --
> Cheers,
> Stephen Rothwell                    sfr-3FnU+UHB4dNDw9hX6IcOSA@public.gmane.org
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Re: linux-next: build warning after merge of the infiniband tree

[Roland Dreier]

Sorry about that, folded in the fix I missed and will push out the tree shortly.

On Mon, Nov 4, 2013 at 5:42 AM, Marciniszyn, Mike
<mike.marciniszyn-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org> wrote:
> This issue was caught by Tetsuo Handa and Acked on 10/30: http://marc.info/?t=138313364500008&r=1&w=2.
>
> Roland, I noticed that the Tetsuo's original message didn't cc the linux-rdma list?
>
> Mike
>
>> -----Original Message-----
>> From: Stephen Rothwell [mailto:sfr-3FnU+UHB4dNDw9hX6IcOSA@public.gmane.org]
>> Sent: Sunday, November 03, 2013 11:55 PM
>> To: Roland Dreier; linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
>> Cc: linux-next-u79uwXL29TY76Z2rM5mHXA@public.gmane.org; linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org; Jan Kara;
>> Marciniszyn, Mike
>> Subject: linux-next: build warning after merge of the infiniband tree
>>
>> Hi all,
>>
>> After merging the infiniband tree, today's linux-next build (x86_64
>> allmodconfig) produced this warning:
>>
>> drivers/infiniband/hw/ipath/ipath_user_sdma.c: In function
>> 'ipath_user_sdma_pin_pages':
>> drivers/infiniband/hw/ipath/ipath_user_sdma.c:283:6: warning: 'j' is used
>> uninitialized in this function [-Wuninitialized]
>>   ret = get_user_pages_fast(addr, j, 0, pages);
>>       ^
>>
>> Introduced by commit 18fec3c6bdcb ("IB/ipath: Convert
>> ipath_user_sdma_pin_pages() to use get_user_pages_fast()").  How did that
>> pass review or testing?
>>
>> --
>> Cheers,
>> Stephen Rothwell                    sfr-3FnU+UHB4dNDw9hX6IcOSA@public.gmane.org
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