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

Stephen Rothwell
2024-12-09T01:17:21Z

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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@canb.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@canb.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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