linux-kernel - linux-next: build failure after merge of the driver-core tree

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Date:	Thu, 21 May 2015 17:52:06 +1000
From:	Stephen Rothwell <sfr@...b.auug.org.au>
To:	Greg KH <greg@...ah.com>
Cc:	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	"Luis R. Rodriguez" <mcgrof@...e.com>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>
Subject: linux-next: build failure after merge of the driver-core tree

Hi Greg,

After merging the driver-core tree, today's linux-next build (powerpc
allnoconfig) failed like this:

drivers/base/dd.c: In function 'driver_allows_async_probing':
drivers/base/dd.c:430:31: error: dereferencing pointer to incomplete type
   if (drv->owner && drv->owner->async_probe_requested)
                               ^

Caused by commit f2411da74698 ("driver-core: add driver module
asynchronous probe support").

I have applied the following fix patch for today:

From: Stephen Rothwell <sfr@...b.auug.org.au>
Date: Thu, 21 May 2015 17:44:10 +1000
Subject: [PATCH] driver-core: add driver module asynchronous probe support fix

struct module is not defined if CONFIG_MODULES is not set.

Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
---
 drivers/base/dd.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/base/dd.c b/drivers/base/dd.c
index 39292535c74e..12e120ddbc34 100644
--- a/drivers/base/dd.c
+++ b/drivers/base/dd.c
@@ -427,8 +427,10 @@ bool driver_allows_async_probing(struct device_driver *drv)
 		return false;
 
 	default:
+#ifdef CONFIG_MODULES
 		if (drv->owner && drv->owner->async_probe_requested)
 			return true;
+#endif
 
 		return false;
 	}
-- 
2.1.4

-- 
Cheers,
Stephen Rothwell                    sfr@...b.auug.org.au

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