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

Stephen Rothwell
2017-05-03T23:50:12Z

Hi all,

On Fri, 21 Apr 2017 12:10:14 +1000 Stephen Rothwell <sfr@canb.auug.org.au> wrote:
>
> 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@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@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,
> };
>
> --
> 2.11.0

This fixup is now needed when merging the arm-soc tree with Linus' tree.
--
Cheers,
Stephen Rothwell
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