ctcm: get rid of compile warning

-Wunused-but-set-variable generates compile warnings. The affected
variables are removed.

Signed-off-by: Ursula Braun <ursula.braun@de.ibm.com>
Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 4 insertions, 11 deletions

diff --git a/drivers/s390/net/ctcm_main.c b/drivers/s390/net/ctcm_main.c
index c189296763a4..426787efc492 100644
--- a/drivers/s390/net/ctcm_main.c
+++ b/drivers/s390/net/ctcm_main.c
@@ -672,7 +672,6 @@ static int ctcmpc_transmit_skb(struct channel *ch, struct sk_buff *skb)
         int ccw_idx;
         unsigned long hi;
         unsigned long saveflags = 0;    /* avoids compiler warning */
-        __u16 block_len;
 
         CTCM_PR_DEBUG("Enter %s: %s, cp=%i ch=0x%p id=%s state=%s\n",
                         __func__, dev->name, smp_processor_id(), ch,
@@ -719,7 +718,6 @@ static int ctcmpc_transmit_skb(struct channel *ch, struct sk_buff *skb)
          */
         atomic_inc(&skb->users);
 
-        block_len = skb->len + TH_HEADER_LENGTH + PDU_HEADER_LENGTH;
         /*
          * IDAL support in CTCM is broken, so we have to
          * care about skb's above 2G ourselves.
diff --git a/drivers/s390/net/ctcm_mpc.c b/drivers/s390/net/ctcm_mpc.c
index b64881f33f23..da4c747335e7 100644
--- a/drivers/s390/net/ctcm_mpc.c
+++ b/drivers/s390/net/ctcm_mpc.c
@@ -653,7 +653,6 @@ static void ctcmpc_send_sweep_resp(struct channel *rch)
         struct net_device *dev = rch->netdev;
         struct ctcm_priv *priv = dev->ml_priv;
         struct mpc_group *grp = priv->mpcg;
-        int rc = 0;
         struct th_sweep *header;
         struct sk_buff *sweep_skb;
         struct channel *ch  = priv->channel[CTCM_WRITE];
@@ -665,16 +664,14 @@ static void ctcmpc_send_sweep_resp(struct channel *rch)
                 CTCM_DBF_TEXT_(MPC_ERROR, CTC_DBF_ERROR,
                         "%s(%s): sweep_skb allocation ERROR\n",
                         CTCM_FUNTAIL, rch->id);
-                rc = -ENOMEM;
-                                goto done;
+                goto done;
         }
 
         header = kmalloc(sizeof(struct th_sweep), gfp_type());
 
         if (!header) {
                 dev_kfree_skb_any(sweep_skb);
-                rc = -ENOMEM;
-                                goto done;
+                goto done;
         }
 
         header->th.th_seg       = 0x00 ;
@@ -1370,8 +1367,7 @@ static void mpc_action_go_inop(fsm_instance *fi, int event, void *arg)
         struct net_device  *dev = arg;
         struct ctcm_priv    *priv;
         struct mpc_group *grp;
-        int rc = 0;
-        struct channel *wch, *rch;
+        struct channel *wch;
 
         BUG_ON(dev == NULL);
         CTCM_PR_DEBUG("Enter %s: %s\n", __func__, dev->name);
@@ -1396,7 +1392,6 @@ static void mpc_action_go_inop(fsm_instance *fi, int event, void *arg)
                 fsm_deltimer(&priv->restart_timer);
 
         wch = priv->channel[CTCM_WRITE];
-        rch = priv->channel[CTCM_READ];
 
         switch (grp->saved_state) {
         case MPCG_STATE_RESET:
@@ -1435,7 +1430,7 @@ static void mpc_action_go_inop(fsm_instance *fi, int event, void *arg)
 
         if (grp->send_qllc_disc == 1) {
                 grp->send_qllc_disc = 0;
-                rc = mpc_send_qllc_discontact(dev);
+                mpc_send_qllc_discontact(dev);
         }
 
         /* DO NOT issue DEV_EVENT_STOP directly out of this code */