linux-kernel - Re: linux-next: build failures after merge of the vfs tree

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Message-ID: <20200616103440.35a80b4b@canb.auug.org.au>
Date:   Tue, 16 Jun 2020 10:34:40 +1000
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     Al Viro <viro@...IV.linux.org.uk>
Cc:     Linux Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Herbert Xu <herbert@...dor.apana.org.au>
Subject: Re: linux-next: build failures after merge of the vfs tree

[Just adding Herbert to cc]

On Tue, 16 Jun 2020 10:33:30 +1000 Stephen Rothwell <sfr@...b.auug.org.au> wrote:
>
> Hi all,
> 
> After merging the vfs tree, today's linux-next build (x86_64 allmodconfig)
> failed like this:
> 
> drivers/dma/uniphier-xdmac.c: In function 'uniphier_xdmac_prep_dma_memcpy':
> drivers/dma/uniphier-xdmac.c:293:7: error: implicit declaration of function 'kzalloc'; did you mean 'kvzalloc'? [-Werror=implicit-function-declaration]
>   293 |  xd = kzalloc(struct_size(xd, nodes, nr), GFP_NOWAIT);
>       |       ^~~~~~~
>       |       kvzalloc
> drivers/dma/uniphier-xdmac.c:293:5: warning: assignment to 'struct uniphier_xdmac_desc *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
>   293 |  xd = kzalloc(struct_size(xd, nodes, nr), GFP_NOWAIT);
>       |     ^
> drivers/dma/uniphier-xdmac.c: In function 'uniphier_xdmac_prep_slave_sg':
> drivers/dma/uniphier-xdmac.c:349:5: warning: assignment to 'struct uniphier_xdmac_desc *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
>   349 |  xd = kzalloc(struct_size(xd, nodes, sg_len), GFP_NOWAIT);
>       |     ^
> drivers/dma/uniphier-xdmac.c:373:4: error: implicit declaration of function 'kfree'; did you mean 'kvfree'? [-Werror=implicit-function-declaration]
>   373 |    kfree(xd);
>       |    ^~~~~
>       |    kvfree
> 
> Also, from the arm multi_v7_defconfig build:
> 
> drivers/dma/st_fdma.c: In function 'st_fdma_free_desc':
> drivers/dma/st_fdma.c:233:2: error: implicit declaration of function 'kfree'; did you mean 'vfree'? [-Werror=implicit-function-declaration]
>   233 |  kfree(fdesc);
>       |  ^~~~~
>       |  vfree
> drivers/dma/st_fdma.c: In function 'st_fdma_alloc_desc':
> drivers/dma/st_fdma.c:242:10: error: implicit declaration of function 'kzalloc'; did you mean 'vzalloc'? [-Werror=implicit-function-declaration]
>   242 |  fdesc = kzalloc(struct_size(fdesc, node, sg_len), GFP_NOWAIT);
>       |          ^~~~~~~
>       |          vzalloc
> drivers/dma/st_fdma.c:242:8: warning: assignment to 'struct st_fdma_desc *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
>   242 |  fdesc = kzalloc(struct_size(fdesc, node, sg_len), GFP_NOWAIT);
>       |        ^
> 
> Caused by commit
> 
>   f0187db056dc ("iov_iter: Move unnecessary inclusion of crypto/hash.h")
> 
> I have reverted that commit for today.

-- 
Cheers,
Stephen Rothwell

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