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

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Message-ID: <20241209121717.2abe8026@canb.auug.org.au>
Date: Mon, 9 Dec 2024 12:17:17 +1100
From: Stephen Rothwell <sfr@...b.auug.org.au>
To: Simona Vetter <simona.vetter@...ll.ch>
Cc: Peter Zijlstra <peterz@...radead.org>, Dmitry Osipenko
 <dmitry.osipenko@...labora.com>, Vivek Kasireddy
 <vivek.kasireddy@...el.com>, Intel Graphics
 <intel-gfx@...ts.freedesktop.org>, DRI <dri-devel@...ts.freedesktop.org>,
 Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, Linux Next
 Mailing List <linux-next@...r.kernel.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:

In file included from include/linux/module.h:22,
                 from include/linux/device/driver.h:21,
                 from include/linux/device.h:32,
                 from include/linux/dma-mapping.h:5,
                 from include/linux/dma-buf.h:21,
                 from include/linux/virtio_dma_buf.h:11,
                 from drivers/gpu/drm/virtio/virtgpu_prime.c:26:
drivers/gpu/drm/virtio/virtgpu_prime.c:30:18: error: expected ',' or ';' before 'DMA_BUF'
   30 | MODULE_IMPORT_NS(DMA_BUF);
      |                  ^~~~~~~
include/linux/moduleparam.h:26:61: note: in definition of macro '__MODULE_INFO'
   26 |                 = __MODULE_INFO_PREFIX __stringify(tag) "=" info
      |                                                             ^~~~
include/linux/module.h:299:33: note: in expansion of macro 'MODULE_INFO'
  299 | #define MODULE_IMPORT_NS(ns)    MODULE_INFO(import_ns, ns)
      |                                 ^~~~~~~~~~~
drivers/gpu/drm/virtio/virtgpu_prime.c:30:1: note: in expansion of macro 'MODULE_IMPORT_NS'
   30 | MODULE_IMPORT_NS(DMA_BUF);
      | ^~~~~~~~~~~~~~~~

Caused by commit

  25c3fd1183c0 ("drm/virtio: Add a helper to map and note the dma addrs and lengths")

Interacting with commit

  cdd30ebb1b9f ("module: Convert symbol namespace to string literal")

from Linus' tree.

I have applied the following merge fix patch for today.

From: Stephen Rothwell <sfr@...b.auug.org.au>
Date: Mon, 9 Dec 2024 12:08:24 +1100
Subject: [PATCH] fix up for "drm/virtio: Add a helper to map and note the dma
 addrs and lengths"

interacting with commit

  cdd30ebb1b9f ("module: Convert symbol namespace to string literal")

from Linus' tree.

Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
---
 drivers/gpu/drm/virtio/virtgpu_prime.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/virtio/virtgpu_prime.c b/drivers/gpu/drm/virtio/virtgpu_prime.c
index 688810d1b611..b3664c12843d 100644
--- a/drivers/gpu/drm/virtio/virtgpu_prime.c
+++ b/drivers/gpu/drm/virtio/virtgpu_prime.c
@@ -27,7 +27,7 @@
 
 #include "virtgpu_drv.h"
 
-MODULE_IMPORT_NS(DMA_BUF);
+MODULE_IMPORT_NS("DMA_BUF");
 
 static int virtgpu_virtio_get_uuid(struct dma_buf *buf,
 				   uuid_t *uuid)
-- 
2.45.2

-- 
Cheers,
Stephen Rothwell

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