linux-kernel - modpost warning question

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Message-ID: <Pine.LNX.4.64.0707250210520.14366@blarg.am.freescale.net>
Date:	Wed, 25 Jul 2007 02:14:12 -0500 (CDT)
From:	Kumar Gala <galak@...nel.crashing.org>
To:	sam@...nborg.org
cc:	linux-kernel@...r.kernel.org, linuxppc-dev@...abs.org,
	Andy Fleming <afleming@...escale.com>,
	Jeff Garzik <jeff@...zik.org>, netdev@...r.kernel.org
Subject: modpost warning question

I'm seeing the following warning:

WARNING: vmlinux.o(.init.text+0x1acdc): Section mismatch: reference to
.exit.text:gfar_mdio_exit (between 'gfar_init' and 'gfar_mdio_init')

I don't understand why its not ok to access .exit.text from .init.text

The following addresses the issue, however I don't particularly like it:

diff --git a/drivers/net/gianfar_mii.c b/drivers/net/gianfar_mii.c
index ac3596f..100bf41 100644
--- a/drivers/net/gianfar_mii.c
+++ b/drivers/net/gianfar_mii.c
@@ -245,7 +245,7 @@ int __init gfar_mdio_init(void)
 	return driver_register(&gianfar_mdio_driver);
 }

-void __exit gfar_mdio_exit(void)
+void gfar_mdio_exit(void)
 {
 	driver_unregister(&gianfar_mdio_driver);
 }
diff --git a/drivers/net/gianfar_mii.h b/drivers/net/gianfar_mii.h
index 5d34004..b373091 100644
--- a/drivers/net/gianfar_mii.h
+++ b/drivers/net/gianfar_mii.h
@@ -42,5 +42,5 @@ struct gfar_mii {
 int gfar_mdio_read(struct mii_bus *bus, int mii_id, int regnum);
 int gfar_mdio_write(struct mii_bus *bus, int mii_id, int regnum, u16 value);
 int __init gfar_mdio_init(void);
-void __exit gfar_mdio_exit(void);
+void gfar_mdio_exit(void);
 #endif /* GIANFAR_PHY_H */
-
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