Re: scsi: ibmvfc: Add Kconfig dependency on NVME_FC to prevent link failure

On 02/09/26 1:55 pm, pavrampu wrote:
> Hi,
>
> I am seeing below build failure with latest linux-next repo.
>
> Description:
>
> Building the kernel with CONFIG_SCSI_IBMVFC=y and CONFIG_NVME_FC=m 
> results in a link failure when building vmlinux:
>
> Build failure logs:
>
> ld: drivers/scsi/ibmvscsi/ibmvfc-nvme.o: in function 
> `ibmvfc_nvme_register_remoteport':
> ibmvfc-nvme.c:488: undefined reference to `nvme_fc_register_remoteport'
> ld: drivers/scsi/ibmvscsi/ibmvfc-nvme.o: in function 
> `ibmvfc_nvme_unregister_remoteport':
> ibmvfc-nvme.c:515: undefined reference to `nvme_fc_unregister_remoteport'
> ld: drivers/scsi/ibmvscsi/ibmvfc-nvme.o: in function 
> `ibmvfc_nvme_register':
> ibmvfc-nvme.c:536: undefined reference to `nvme_fc_register_localport'
> ld: drivers/scsi/ibmvscsi/ibmvfc-nvme.o: in function 
> `ibmvfc_nvme_unregister':
> ibmvfc-nvme.c:565: undefined reference to `nvme_fc_unregister_localport'
> ld: drivers/scsi/ibmvscsi/ibmvfc-nvme.o: in function 
> `ibmvfc_nvme_unregister':
> ibmvfc-nvme.c:565: undefined reference to `nvme_fc_unregister_localport'
> ld: drivers/scsi/ibmvscsi/ibmvfc-core.c:6798: undefined reference to 
> `nvme_fc_rescan_remoteport'


Below simple check in Kconfig fixes the build failure.

If this is acceptable, then I will send a formal patch.

# git diff
diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig
index 4a2af0f702e1..6612d5d445e2 100644
--- a/drivers/scsi/Kconfig
+++ b/drivers/scsi/Kconfig
@@ -753,6 +753,7 @@ config SCSI_IBMVFC
         tristate "IBM Virtual FC support"
         depends on PPC_PSERIES && SCSI
         depends on SCSI_FC_ATTRS
+      depends on NVME_FC || NVME_FC=n
         help
           This is the IBM POWER Virtual FC Client


Regards,

Venkat.

>
> If you happen to fix this, please add below tag.
>
> Reported-by: Pavithra <[email protected]>
>
> Thanks,
> Pavithra