can: remove unused variable

these variable were only assigned some values, but then never
reused again.
so they are safe to be removed.

Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

3 files changed, 2 insertions, 8 deletions

diff --git a/drivers/net/can/sja1000/kvaser_pci.c b/drivers/net/can/sja1000/kvaser_pci.c
index 8ff3424d5147..15c00faeec61 100644
--- a/drivers/net/can/sja1000/kvaser_pci.c
+++ b/drivers/net/can/sja1000/kvaser_pci.c
@@ -214,7 +214,7 @@ static int kvaser_pci_add_chan(struct pci_dev *pdev, int channel,
         struct net_device *dev;
         struct sja1000_priv *priv;
         struct kvaser_pci *board;
-        int err, init_step;
+        int err;
 
         dev = alloc_sja1000dev(sizeof(struct kvaser_pci));
         if (dev == NULL)
@@ -235,7 +235,6 @@ static int kvaser_pci_add_chan(struct pci_dev *pdev, int channel,
         if (channel == 0) {
                 board->xilinx_ver =
                         ioread8(board->res_addr + XILINX_VERINT) >> 4;
-                init_step = 2;
 
                 /* Assert PTADR# - we're in passive mode so the other bits are
                    not important */
@@ -264,8 +263,6 @@ static int kvaser_pci_add_chan(struct pci_dev *pdev, int channel,
         priv->irq_flags = IRQF_SHARED;
         dev->irq = pdev->irq;
 
-        init_step = 4;
-
         dev_info(&pdev->dev, "reg_base=%p conf_addr=%p irq=%d\n",
                  priv->reg_base, board->conf_addr, dev->irq);
 
diff --git a/drivers/net/can/usb/ems_usb.c b/drivers/net/can/usb/ems_usb.c
index 00f2534dde73..29d3f0938eb8 100644
--- a/drivers/net/can/usb/ems_usb.c
+++ b/drivers/net/can/usb/ems_usb.c
@@ -434,10 +434,9 @@ static void ems_usb_read_bulk_callback(struct urb *urb)
         if (urb->actual_length > CPC_HEADER_SIZE) {
                 struct ems_cpc_msg *msg;
                 u8 *ibuf = urb->transfer_buffer;
-                u8 msg_count, again, start;
+                u8 msg_count, start;
 
                 msg_count = ibuf[0] & ~0x80;
-                again = ibuf[0] & 0x80;
 
                 start = CPC_HEADER_SIZE;
 
diff --git a/drivers/net/can/usb/esd_usb2.c b/drivers/net/can/usb/esd_usb2.c
index 7a90075529c3..c063a54ab8dd 100644
--- a/drivers/net/can/usb/esd_usb2.c
+++ b/drivers/net/can/usb/esd_usb2.c
@@ -464,7 +464,6 @@ static void esd_usb2_write_bulk_callback(struct urb *urb)
 {
         struct esd_tx_urb_context *context = urb->context;
         struct esd_usb2_net_priv *priv;
-        struct esd_usb2 *dev;
         struct net_device *netdev;
         size_t size = sizeof(struct esd_usb2_msg);
 
@@ -472,7 +471,6 @@ static void esd_usb2_write_bulk_callback(struct urb *urb)
 
         priv = context->priv;
         netdev = priv->netdev;
-        dev = priv->usb2;
 
         /* free up our allocated buffer */
         usb_free_coherent(urb->dev, size,