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

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Message-ID: <20170421121014.3ee14a83@canb.auug.org.au>
Date:   Fri, 21 Apr 2017 12:10:14 +1000
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     Daniel Vetter <daniel.vetter@...ll.ch>,
        Intel Graphics <intel-gfx@...ts.freedesktop.org>,
        DRI <dri-devel@...ts.freedesktop.org>,
        Olof Johansson <olof@...om.net>, Arnd Bergmann <arnd@...db.de>,
        ARM <linux-arm-kernel@...ts.infradead.org>
Cc:     Linux-Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Logan Gunthorpe <logang@...tatee.com>,
        Sumit Semwal <sumit.semwal@...aro.org>,
        Jens Wiklander <jens.wiklander@...aro.org>
Subject: linux-next: build failure after merge of the drm-misc tree

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@...b.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@...b.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

-- 
Cheers,
Stephen Rothwell