Re: [PATCH 3/3] scsi: bnx2fc: remove set but not used variables 'task','port','orig_task'

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On 23/08/19, 6:46 PM, "linux-scsi-owner@xxxxxxxxxxxxxxx on behalf of zhengbin" <linux-scsi-owner@xxxxxxxxxxxxxxx on behalf of zhengbin13@xxxxxxxxxx> wrote:

    Fixes gcc '-Wunused-but-set-variable' warning:
    
    drivers/scsi/bnx2fc/bnx2fc_hwi.c: In function bnx2fc_process_unsol_compl:
    drivers/scsi/bnx2fc/bnx2fc_hwi.c:636:30: warning: variable task set but not used [-Wunused-but-set-variable]
    drivers/scsi/bnx2fc/bnx2fc_hwi.c: In function bnx2fc_process_ofld_cmpl:
    drivers/scsi/bnx2fc/bnx2fc_hwi.c:1125:21: warning: variable port set but not used [-Wunused-but-set-variable]
    drivers/scsi/bnx2fc/bnx2fc_hwi.c: In function bnx2fc_init_seq_cleanup_task:
    drivers/scsi/bnx2fc/bnx2fc_hwi.c:1468:30: warning: variable orig_task set but not used [-Wunused-but-set-variable]
    
    Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
    Signed-off-by: zhengbin <zhengbin13@xxxxxxxxxx>
    ---
     drivers/scsi/bnx2fc/bnx2fc_hwi.c | 16 ----------------
     1 file changed, 16 deletions(-)
    
    diff --git a/drivers/scsi/bnx2fc/bnx2fc_hwi.c b/drivers/scsi/bnx2fc/bnx2fc_hwi.c
    index 747f019..f069e09 100644
    --- a/drivers/scsi/bnx2fc/bnx2fc_hwi.c
    +++ b/drivers/scsi/bnx2fc/bnx2fc_hwi.c
    @@ -633,7 +633,6 @@ static void bnx2fc_process_unsol_compl(struct bnx2fc_rport *tgt, u16 wqe)
     	u16 xid;
     	u32 frame_len, len;
     	struct bnx2fc_cmd *io_req = NULL;
    -	struct fcoe_task_ctx_entry *task, *task_page;
     	struct bnx2fc_interface *interface = tgt->port->priv;
     	struct bnx2fc_hba *hba = interface->hba;
     	int task_idx, index;
    @@ -711,9 +710,6 @@ static void bnx2fc_process_unsol_compl(struct bnx2fc_rport *tgt, u16 wqe)
    
     		task_idx = xid / BNX2FC_TASKS_PER_PAGE;
     		index = xid % BNX2FC_TASKS_PER_PAGE;
    -		task_page = (struct fcoe_task_ctx_entry *)
    -					hba->task_ctx[task_idx];
    -		task = &(task_page[index]);
    
     		io_req = (struct bnx2fc_cmd *)hba->cmd_mgr->cmds[xid];
     		if (!io_req)
    @@ -839,9 +835,6 @@ static void bnx2fc_process_unsol_compl(struct bnx2fc_rport *tgt, u16 wqe)
    
     		task_idx = xid / BNX2FC_TASKS_PER_PAGE;
     		index = xid % BNX2FC_TASKS_PER_PAGE;
    -		task_page = (struct fcoe_task_ctx_entry *)
    -			     interface->hba->task_ctx[task_idx];
    -		task = &(task_page[index]);
     		io_req = (struct bnx2fc_cmd *)hba->cmd_mgr->cmds[xid];
     		if (!io_req)
     			goto ret_warn_rqe;
    @@ -1122,7 +1115,6 @@ static void bnx2fc_process_ofld_cmpl(struct bnx2fc_hba *hba,
     					struct fcoe_kcqe *ofld_kcqe)
     {
     	struct bnx2fc_rport		*tgt;
    -	struct fcoe_port		*port;
     	struct bnx2fc_interface		*interface;
     	u32				conn_id;
     	u32				context_id;
    @@ -1136,7 +1128,6 @@ static void bnx2fc_process_ofld_cmpl(struct bnx2fc_hba *hba,
     	}
     	BNX2FC_TGT_DBG(tgt, "Entered ofld compl - context_id = 0x%x\n",
     		ofld_kcqe->fcoe_conn_context_id);
    -	port = tgt->port;
     	interface = tgt->port->priv;
     	if (hba != interface->hba) {
     		printk(KERN_ERR PFX "ERROR:ofld_cmpl: HBA mis-match\n");
    @@ -1463,10 +1454,7 @@ void bnx2fc_init_seq_cleanup_task(struct bnx2fc_cmd *seq_clnp_req,
     {
     	struct scsi_cmnd *sc_cmd = orig_io_req->sc_cmd;
     	struct bnx2fc_rport *tgt = seq_clnp_req->tgt;
    -	struct bnx2fc_interface *interface = tgt->port->priv;
     	struct fcoe_bd_ctx *bd = orig_io_req->bd_tbl->bd_tbl;
    -	struct fcoe_task_ctx_entry *orig_task;
    -	struct fcoe_task_ctx_entry *task_page;
     	struct fcoe_ext_mul_sges_ctx *sgl;
     	u8 task_type = FCOE_TASK_TYPE_SEQUENCE_CLEANUP;
     	u8 orig_task_type;
    @@ -1528,10 +1516,6 @@ void bnx2fc_init_seq_cleanup_task(struct bnx2fc_cmd *seq_clnp_req,
     		orig_task_idx = orig_xid / BNX2FC_TASKS_PER_PAGE;
     		index = orig_xid % BNX2FC_TASKS_PER_PAGE;
    
    -		task_page = (struct fcoe_task_ctx_entry *)
    -			     interface->hba->task_ctx[orig_task_idx];
    -		orig_task = &(task_page[index]);
    -
     		/* Multiple SGEs were used for this IO */
     		sgl = &task->rxwr_only.union_ctx.read_info.sgl_ctx.sgl;
     		sgl->mul_sgl.cur_sge_addr.lo = (u32)phys_addr;
    --
    2.7.4

Hi,
Thanks for patch.

Acked-by: Saurav Kashyap <skashyap@xxxxxxxxxxx>

Thanks,
~Saurav
    
    





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