linux-kernel - [PATCH] Fix longstanding "error: storage size of '__mod_dmi_device

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Date:	Thu, 22 Jan 2009 01:58:36 +0300
From:	Alexey Dobriyan <adobriyan@...il.com>
To:	torvalds@...ux-foundation.org
Cc:	akpm@...ux-foundation.org, linux-kernel@...r.kernel.org,
	dwmw2@...radead.org
Subject: [PATCH] Fix longstanding "error: storage size of
	'__mod_dmi_device_table' isn't known"

gcc 3.4.6 doesn't like MODULE_DEVICE_TABLE(dmi, x) expansion enough to error out.
Shut it up in a most simple way.

Signed-off-by: Alexey Dobriyan <adobriyan@...il.com>
---

 include/linux/mod_devicetable.h |    7 +++++++
 1 file changed, 7 insertions(+)

--- a/include/linux/mod_devicetable.h
+++ b/include/linux/mod_devicetable.h
@@ -443,6 +443,13 @@ struct dmi_system_id {
 	struct dmi_strmatch matches[4];
 	void *driver_data;
 };
+/*
+ * struct dmi_device_id appears during expansion of
+ * "MODULE_DEVICE_TABLE(dmi, x)". Compiler doesn't look inside it
+ * but this is enough for gcc 3.4.6 to error out:
+ *	error: storage size of '__mod_dmi_device_table' isn't known
+ */
+#define dmi_device_id dmi_system_id
 #endif
 
 #define DMI_MATCH(a, b)	{ a, b }
--
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