Linux Virtualization - Feb 2015 - [target:for-next 16/21] drivers/vhost/scsi.c:1081:5: sparse: symbol 'vhost_skip_iovec_bytes' was not declared. Should it be static?

drivers/vhost/scsi.c:1081:5: sparse: symbol 'vhost_skip_iovec_bytes' was
not declared. Should it be static?

Signed-off-by: Fengguang Wu <fengguang.wu at intel.com>
---
 scsi.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/vhost/scsi.c b/drivers/vhost/scsi.c
index d888bd9..8ac003f 100644
--- a/drivers/vhost/scsi.c
+++ b/drivers/vhost/scsi.c
@@ -1078,7 +1078,7 @@ vhost_scsi_send_bad_target(struct vhost_scsi *vs,
 		pr_err("Faulted on virtio_scsi_cmd_resp\n");
 }
 
-int vhost_skip_iovec_bytes(size_t bytes, int max_niov,
+static int vhost_skip_iovec_bytes(size_t bytes, int max_niov,
 			   struct iovec *iov_in, size_t off_in,
 			   struct iovec **iov_out, size_t *off_out)
 {

tree:   git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending.git
for-next
head:   2936f1d4f3e8247bd519feba7892371d5e4c6603
commit: 105acf608f25d5e0d9fef669299a5438b7b114ee [16/21] vhost/scsi: Add
ANY_LAYOUT vhost_skip_iovec_bytes helper
reproduce:
  # apt-get install sparse
  git checkout 105acf608f25d5e0d9fef669299a5438b7b114ee
  make ARCH=x86_64 allmodconfig
  make C=1 CF=-D__CHECK_ENDIAN__


sparse warnings: (new ones prefixed by >>)
>> drivers/vhost/scsi.c:1081:5: sparse: symbol
'vhost_skip_iovec_bytes' was not declared. Should it be static?
   drivers/vhost/scsi.c:969:1: warning: 'vhost_scsi_mapal' defined but
not used [-Wunused-function]
    vhost_scsi_mapal(struct tcm_vhost_cmd *cmd, int max_niov,
    ^

Please review and possibly fold the followup patch.

---
0-DAY kernel test infrastructure                Open Source Technology Center
http://lists.01.org/mailman/listinfo/kbuild                 Intel Corporation

On Mon, 02/02 14:25, kbuild test robot wrote:
> drivers/vhost/scsi.c:1081:5: sparse: symbol
'vhost_skip_iovec_bytes' was not declared. Should it be static?
> 
> Signed-off-by: Fengguang Wu <fengguang.wu at intel.com>
> ---
>  scsi.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/vhost/scsi.c b/drivers/vhost/scsi.c
> index d888bd9..8ac003f 100644
> --- a/drivers/vhost/scsi.c
> +++ b/drivers/vhost/scsi.c
> @@ -1078,7 +1078,7 @@ vhost_scsi_send_bad_target(struct vhost_scsi *vs,
>  		pr_err("Faulted on virtio_scsi_cmd_resp\n");
>  }
>  
> -int vhost_skip_iovec_bytes(size_t bytes, int max_niov,
> +static int vhost_skip_iovec_bytes(size_t bytes, int max_niov,
>  			   struct iovec *iov_in, size_t off_in,
>  			   struct iovec **iov_out, size_t *off_out)
Probably keep the parameter list lines aligned?

Fam

On Mon, 2015-02-02 at 14:25 +0800, kbuild test robot
wrote:
> tree:  
git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending.git for-next
> head:   2936f1d4f3e8247bd519feba7892371d5e4c6603
> commit: 105acf608f25d5e0d9fef669299a5438b7b114ee [16/21] vhost/scsi: Add
ANY_LAYOUT vhost_skip_iovec_bytes helper
> reproduce:
>   # apt-get install sparse
>   git checkout 105acf608f25d5e0d9fef669299a5438b7b114ee
>   make ARCH=x86_64 allmodconfig
>   make C=1 CF=-D__CHECK_ENDIAN__
> 
> 
> sparse warnings: (new ones prefixed by >>)
> 
> >> drivers/vhost/scsi.c:1081:5: sparse: symbol
'vhost_skip_iovec_bytes' was not declared. Should it be static?
>    drivers/vhost/scsi.c:969:1: warning: 'vhost_scsi_mapal' defined
but not used [-Wunused-function]
>     vhost_scsi_mapal(struct tcm_vhost_cmd *cmd, int max_niov,
>     ^
> 
> Please review and possibly fold the followup patch.
Fixing up for -v3.

Thanks Fengguang!

--nab