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>

diff --git a/drivers/net/can/sja1000/kvaser_pci.c b/drivers/net/can/sja1000/kvaser_pci.c
index 8ff3424d51472bc1df5753c025c6cd73f9ab1ed0..15c00faeec61001ab02c22689709efb523a96eb0 100644 (file)
--- 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 00f2534dde736f1dd8cda9b016bd6a78f79eeab0..29d3f0938eb836b4da53a0898f574ebf42721ae2 100644 (file)
--- 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 7a90075529c317275e58c730a282693e8fd1d268..c063a54ab8dd8a598f36e5a7e712722bb5931df1 100644 (file)
--- 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,