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SubjectRe: [PATCH V2 1/1] scsi: storvsc: Fix a build issue reported by kbuild test robot
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On Fri, 2016-01-29 at 19:36 -0800, K. Y. Srinivasan wrote:
> tree: https://na01.safelinks.protection.outlook.com/?url=https%3a%2
> f%2fgit.kernel.org%2fpub%2fscm%2flinux%2fkernel%2fgit%2ftorvalds%2fli
> nux.git&data=01%7c01%7ckys%40microsoft.com%7ce2e0622715844b79ad7108d3
> 2796ec3c%7c72f988bf86f141af91ab2d7cd011db47%7c1&sdata=ubr4GbBaNS%2ftO
> z%2buJBk0CL9N0UNG9x2TidLgy6Yovg4%3d master
> head: 03c21cb775a313f1ff19be59c5d02df3e3526471
> commit: dac582417bc449b1f7f572d3f1dd9d23eec15cc9 storvsc: Properly
> support Fibre Channel devices
> date: 3 weeks ago
> config: x86_64-randconfig-s3-01281016 (attached as .config)
> reproduce:
> git checkout dac582417bc449b1f7f572d3f1dd9d23eec15cc9
> # save the attached .config to linux build tree
> make ARCH=x86_64
>
> All errors (new ones prefixed by >>):
>
> drivers/built-in.o: In function `storvsc_remove':
> > > storvsc_drv.c:(.text+0x213af7): undefined reference to
> > > `fc_remove_host'
> drivers/built-in.o: In function `storvsc_drv_init':
> > > storvsc_drv.c:(.init.text+0xcbcc): undefined reference to
> > > `fc_attach_transport'
> > > storvsc_drv.c:(.init.text+0xcc06): undefined reference to
> > > `fc_release_transport'
> drivers/built-in.o: In function `storvsc_drv_exit':
> > > storvsc_drv.c:(.exit.text+0x123c): undefined reference to
> > > `fc_release_transport'
>
> With this commit, the storvsc driver depends on FC atttributes. Make
> this
> dependency explicit.
>
> Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
> Reported-by: Fengguang Wu <fengguang.wu@intel.com>
> ---
> V2: Fixed the dependency based on suggestion by James Bottomley
> <James.Bottomley@HansenPartnership.com>
>
> drivers/scsi/Kconfig | 1 +
> 1 files changed, 1 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig
> index 64eed87..ce0d07b 100644
> --- a/drivers/scsi/Kconfig
> +++ b/drivers/scsi/Kconfig
> @@ -594,6 +594,7 @@ config XEN_SCSI_FRONTEND
> config HYPERV_STORAGE
> tristate "Microsoft Hyper-V virtual storage driver"
> depends on SCSI && HYPERV
> + depends on SCSI_FC_ATTRS || SCSI_FC_ATTRS !=m

No ... if you want to depend on the FC_ATTRS then a simple depend
works. If you want to be able to build without them or with them, then
that line must read

depends on m || SCSI_FC_ATTRS != m

James






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