cc: linux-scsi added
On Thu, 2009-04-02 at 16:49 +1100, Stephen Rothwell wrote:
> Hi James,
>
> Today's linux-next build (powerpc allyesconfig) failed like this:
>
> drivers/scsi/fcoe/fcoe.c:982: error: __ksymtab_fcoe_fc_crc causes a section type conflict
> drivers/scsi/fcoe/fcoe.c:982: error: __ksymtab_fcoe_fc_crc causes a section type conflict
>
> Reverting commit 0c3cb56ec3321b23e9826cccf822470717be6e08 ("[SCSI] fcoe:
> cleans up libfcoe.h and adds fcoe.h for fcoe module") makes the error go
> away. I have no idea why - the only clue is that the only global
> declaration of fcoe_fc_crc() is removed by that commit.
>
> Using a different compiler version (4.1.2) also fixed the problem.
Yes, that would be why I didn't see the issue.
> I also had to revert commits 60390544fcc212e0657cf1eea639691d09651943
> ("[SCSI] fcoe, libfc: fix double fcoe_softc memory alloc") and
> ba070644bff4390c965e99b1997f2cbec4157b46 ("[SCSI] fcoe, libfcoe: Add
> support for FIP. FCoE discovery and keep-alive") since they followed the
> one above.
>
> I wonder if that function even needs to be exported as it is only used
> withing the one file.
I think it's because the above commit removes the external declaration
of fcoe_fc_crc ... so now we have an export symbol with no header
defining it. I think the correct patch is just not to export the
symbol.
James
---
diff --git a/drivers/scsi/fcoe/fcoe.c b/drivers/scsi/fcoe/fcoe.c
index 5cdda6e..94e1e31 100644
--- a/drivers/scsi/fcoe/fcoe.c
+++ b/drivers/scsi/fcoe/fcoe.c
@@ -979,7 +979,6 @@ u32 fcoe_fc_crc(struct fc_frame *fp)
}
return crc;
}
-EXPORT_SYMBOL_GPL(fcoe_fc_crc);
/**
* fcoe_xmit() - FCoE frame transmit function
--
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