linux-next: build failure after merge of the drm-misc tree

Logan Gunthorpe logang at deltatee.com
Thu Apr 20 22:03:42 PDT 2017


Thanks Stephen. Looks good to me.

Logan

On 20/04/17 08:10 PM, Stephen Rothwell wrote:
> Hi all,
> 
> After merging the drm-misc tree, today's linux-next build (x86_64
> allmodconfig) failed like this:
> 
> drivers/tee/tee_shm.c:87:2: error: unknown field 'kmap_atomic' specified in initializer
>   .kmap_atomic = tee_shm_op_kmap_atomic,
>   ^
> drivers/tee/tee_shm.c:87:17: error: initialization from incompatible pointer type [-Werror=incompatible-pointer-types]
>   .kmap_atomic = tee_shm_op_kmap_atomic,
>                  ^
> drivers/tee/tee_shm.c:87:17: note: (near initialization for 'tee_shm_dma_buf_ops.begin_cpu_access')
> drivers/tee/tee_shm.c:88:2: error: unknown field 'kmap' specified in initializer
>   .kmap = tee_shm_op_kmap,
>   ^
> drivers/tee/tee_shm.c:88:10: error: initialization from incompatible pointer type [-Werror=incompatible-pointer-types]
>   .kmap = tee_shm_op_kmap,
>           ^
> drivers/tee/tee_shm.c:88:10: note: (near initialization for 'tee_shm_dma_buf_ops.end_cpu_access')
> 
> Caused by commit
> 
>   f9b67f0014cb ("dma-buf: Rename dma-ops to prevent conflict with kunmap_atomic macro")
> 
> interacting with commit
> 
>   967c9cca2cc5 ("tee: generic TEE subsystem")
> 
> from the arm-soc tree.
> 
> I applied the following merge fix patch for today:
> 
> From: Stephen Rothwell <sfr at canb.auug.org.au>
> Date: Fri, 21 Apr 2017 12:06:32 +1000
> Subject: [PATCH] tee: merge fix for dma-ops field name changes
> 
> Signed-off-by: Stephen Rothwell <sfr at canb.auug.org.au>
> ---
>  drivers/tee/tee_shm.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/tee/tee_shm.c b/drivers/tee/tee_shm.c
> index 0be1e3e93bee..4e14c9c9cb1c 100644
> --- a/drivers/tee/tee_shm.c
> +++ b/drivers/tee/tee_shm.c
> @@ -84,8 +84,8 @@ static struct dma_buf_ops tee_shm_dma_buf_ops = {
>  	.map_dma_buf = tee_shm_op_map_dma_buf,
>  	.unmap_dma_buf = tee_shm_op_unmap_dma_buf,
>  	.release = tee_shm_op_release,
> -	.kmap_atomic = tee_shm_op_kmap_atomic,
> -	.kmap = tee_shm_op_kmap,
> +	.map_atomic = tee_shm_op_kmap_atomic,
> +	.map = tee_shm_op_kmap,
>  	.mmap = tee_shm_op_mmap,
>  };
>  
> 



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