linux-kernel - Re: [PATCH] [SCSI] bnx2fc: mark symbols static where possible

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Date:   Thu, 8 Sep 2016 10:51:05 -0400
From:   Chad Dupuis <chad.dupuis@...gic.com>
To:     Baoyou Xie <baoyou.xie@...aro.org>
CC:     <QLogic-Storage-Upstream@...gic.com>, <jejb@...ux.vnet.ibm.com>,
        <martin.petersen@...cle.com>, <linux-scsi@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <arnd@...db.de>,
        <xie.baoyou@....com.cn>, <Dept_Linux_FC@...gic.com>
Subject: Re: [PATCH] [SCSI] bnx2fc: mark symbols static where possible


On Sun, 4 Sep 2016, 6:52am -0000, Baoyou Xie wrote:

> We get a few warnings when building kernel with W=1:
> drivers/scsi/bnx2fc/bnx2fc_els.c:257:6: warning: no previous prototype for 'bnx2fc_srr_compl' [-Wmissing-prototypes]
> drivers/scsi/bnx2fc/bnx2fc_els.c:367:6: warning: no previous prototype for 'bnx2fc_rec_compl' [-Wmissing-prototypes]
> drivers/scsi/bnx2fc/bnx2fc_fcoe.c:628:5: warning: no previous prototype for 'bnx2fc_percpu_io_thread' [-Wmissing-prototypes]
> drivers/scsi/bnx2fc/bnx2fc_fcoe.c:1413:26: warning: no previous prototype for 'bnx2fc_interface_create' [-Wmissing-prototypes]
> drivers/scsi/bnx2fc/bnx2fc_hwi.c:997:21: warning: no previous prototype for 'bnx2fc_alloc_work' [-Wmissing-prototypes]
> drivers/scsi/bnx2fc/bnx2fc_io.c:1082:5: warning: no previous prototype for 'bnx2fc_abts_cleanup' [-Wmissing-prototypes]
> ....
> 
> In fact, these functions are only used in the file in which they are
> declared and don't need a declaration, but can be made static.
> so this patch marks these functions with 'static'.
> 
> Signed-off-by: Baoyou Xie <baoyou.xie@...aro.org>
> ---
>  drivers/scsi/bnx2fc/bnx2fc_els.c  | 4 ++--
>  drivers/scsi/bnx2fc/bnx2fc_fcoe.c | 9 +++++----
>  drivers/scsi/bnx2fc/bnx2fc_hwi.c  | 2 +-
>  drivers/scsi/bnx2fc/bnx2fc_io.c   | 2 +-
>  4 files changed, 9 insertions(+), 8 deletions(-)
> 
> diff --git a/drivers/scsi/bnx2fc/bnx2fc_els.c b/drivers/scsi/bnx2fc/bnx2fc_els.c
> index 5beea77..68ca518 100644
> --- a/drivers/scsi/bnx2fc/bnx2fc_els.c
> +++ b/drivers/scsi/bnx2fc/bnx2fc_els.c
> @@ -254,7 +254,7 @@ int bnx2fc_send_rls(struct bnx2fc_rport *tgt, struct fc_frame *fp)
>  	return rc;
>  }
>  
> -void bnx2fc_srr_compl(struct bnx2fc_els_cb_arg *cb_arg)
> +static void bnx2fc_srr_compl(struct bnx2fc_els_cb_arg *cb_arg)
>  {
>  	struct bnx2fc_mp_req *mp_req;
>  	struct fc_frame_header *fc_hdr, *fh;
> @@ -364,7 +364,7 @@ srr_compl_done:
>  	kref_put(&orig_io_req->refcount, bnx2fc_cmd_release);
>  }
>  
> -void bnx2fc_rec_compl(struct bnx2fc_els_cb_arg *cb_arg)
> +static void bnx2fc_rec_compl(struct bnx2fc_els_cb_arg *cb_arg)
>  {
>  	struct bnx2fc_cmd *orig_io_req, *new_io_req;
>  	struct bnx2fc_cmd *rec_req;
> diff --git a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
> index a5052dd..5eb38c7 100644
> --- a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
> +++ b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
> @@ -625,7 +625,7 @@ static void bnx2fc_recv_frame(struct sk_buff *skb)
>   *
>   * @arg:	ptr to bnx2fc_percpu_info structure
>   */
> -int bnx2fc_percpu_io_thread(void *arg)
> +static int bnx2fc_percpu_io_thread(void *arg)
>  {
>  	struct bnx2fc_percpu_s *p = arg;
>  	struct bnx2fc_work *work, *tmp;
> @@ -1410,9 +1410,10 @@ bind_err:
>  	return NULL;
>  }
>  
> -struct bnx2fc_interface *bnx2fc_interface_create(struct bnx2fc_hba *hba,
> -				      struct net_device *netdev,
> -				      enum fip_state fip_mode)
> +static struct bnx2fc_interface *
> +bnx2fc_interface_create(struct bnx2fc_hba *hba,
> +			struct net_device *netdev,
> +			enum fip_state fip_mode)
>  {
>  	struct fcoe_ctlr_device *ctlr_dev;
>  	struct bnx2fc_interface *interface;
> diff --git a/drivers/scsi/bnx2fc/bnx2fc_hwi.c b/drivers/scsi/bnx2fc/bnx2fc_hwi.c
> index 28c671b..5ff9f89 100644
> --- a/drivers/scsi/bnx2fc/bnx2fc_hwi.c
> +++ b/drivers/scsi/bnx2fc/bnx2fc_hwi.c
> @@ -994,7 +994,7 @@ void bnx2fc_arm_cq(struct bnx2fc_rport *tgt)
>  
>  }
>  
> -struct bnx2fc_work *bnx2fc_alloc_work(struct bnx2fc_rport *tgt, u16 wqe)
> +static struct bnx2fc_work *bnx2fc_alloc_work(struct bnx2fc_rport *tgt, u16 wqe)
>  {
>  	struct bnx2fc_work *work;
>  	work = kzalloc(sizeof(struct bnx2fc_work), GFP_ATOMIC);
> diff --git a/drivers/scsi/bnx2fc/bnx2fc_io.c b/drivers/scsi/bnx2fc/bnx2fc_io.c
> index 8f24d60..f501095 100644
> --- a/drivers/scsi/bnx2fc/bnx2fc_io.c
> +++ b/drivers/scsi/bnx2fc/bnx2fc_io.c
> @@ -1079,7 +1079,7 @@ int bnx2fc_eh_device_reset(struct scsi_cmnd *sc_cmd)
>  	return bnx2fc_initiate_tmf(sc_cmd, FCP_TMF_LUN_RESET);
>  }
>  
> -int bnx2fc_abts_cleanup(struct bnx2fc_cmd *io_req)
> +static int bnx2fc_abts_cleanup(struct bnx2fc_cmd *io_req)
>  {
>  	struct bnx2fc_rport *tgt = io_req->tgt;
>  	int rc = SUCCESS;
> 

Looks ok.

Acked-by: Chad Dupuis <chad.dupuis@...gic.com>