[PATCH -next] scsi: csiostor: Remove set but not used variable 'pln'

[YueHaibing]

Fixes gcc '-Wunused-but-set-variable' warning:

drivers/scsi/csiostor/csio_attr.c: In function 'csio_fcoe_free_vnp':
drivers/scsi/csiostor/csio_attr.c:500:21: warning:
 variable 'pln' set but not used [-Wunused-but-set-variable]

It never used since introduction.

Signed-off-by: YueHaibing <yuehaib...@huawei.com>
---
 drivers/scsi/csiostor/csio_attr.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/scsi/csiostor/csio_attr.c 
b/drivers/scsi/csiostor/csio_attr.c
index 9bd2bd8..200e500 100644
--- a/drivers/scsi/csiostor/csio_attr.c
+++ b/drivers/scsi/csiostor/csio_attr.c
@@ -497,7 +497,6 @@
 static int
 csio_fcoe_free_vnp(struct csio_hw *hw, struct csio_lnode *ln)
 {
-       struct csio_lnode *pln;
        struct csio_mb  *mbp;
        struct fw_fcoe_vnp_cmd *rsp;
        int ret = 0;
@@ -514,8 +513,6 @@
                goto out;
        }
 
-       pln = ln->pln;
-
        csio_fcoe_vnp_free_init_mb(ln, mbp, CSIO_MB_DEFAULT_TMO,
                                   ln->fcf_flowid, ln->vnp_flowid,
                                   NULL);