linux-kernel - Re: Different WARNING: drivers/scsi/fcoe/libfcoe.o(.init.text+0x1a): Section mismatch in reference from the function init_module() to the function .exit.text:fcoe_transport

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Message-ID: <20120604191757.GA21821@merkur.ravnborg.org>
Date:	Mon, 4 Jun 2012 21:17:57 +0200
From:	Sam Ravnborg <sam@...nborg.org>
To:	Witold Baryluk <baryluk@....if.uj.edu.pl>
Cc:	Robert Love <robert.w.love@...el.com>,
	linux-kernel@...r.kernel.org,
	"James E.J. Bottomley" <JBottomley@...allels.com>,
	devel@...n-fcoe.org, linux-scsi@...r.kernel.org
Subject: Re: Different WARNING:
	drivers/scsi/fcoe/libfcoe.o(.init.text+0x1a): Section mismatch in
	reference from the function init_module() to the function
	.exit.text:fcoe_transport_exit()

> WARNING: drivers/scsi/fcoe/libfcoe.o(.init.text+0x1a): Section mismatch in reference from the function init_module() to the function .exit.text:fcoe_transport_exit()
> The function __init init_module() references
> a function __exit fcoe_transport_exit().
> This is often seen when error handling in the init function
> uses functionality in the exit path.
> The fix is often to remove the __exit annotation of
> fcoe_transport_exit() so it may be used outside an exit section.
> 
>   CC      arch/x86/crypto/crc32c-intel.mod.o
>   LD [M]  arch/x86/crypto/crc32c-intel.ko
>   CC      arch/x86/crypto/salsa20-i586.mod.o
>   LD [M]  arch/x86/crypto/salsa20-i586.ko
>   CC      arch/x86/crypto/serpent-sse2-i586.mod.o
>   LD [M]  arch/x86/crypto/serpent-sse2-i586.ko
> 
> 
> 
> (I'm dropping previous CC list, as this warning is easier to solve,
> probably just following this instructions - dropping __exit from
> fcoe_transport_exit() should be fine, especially if indeed it is needed
> from init_module in error path).

Correct - dropping __exit is the fix here.

	Sam
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