ieee802154: remove set but not used variable 'status'

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

drivers/net/ieee802154/cc2520.c:221:5: warning:
 variable status set but not used [-Wunused-but-set-variable]

It is never used, so can be removed.

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>

diff --git a/drivers/net/ieee802154/cc2520.c b/drivers/net/ieee802154/cc2520.c
index 0c89d3e..bd0ec39 100644 (file)
--- a/drivers/net/ieee802154/cc2520.c
+++ b/drivers/net/ieee802154/cc2520.c
@@ -223,7 +223,6 @@ static int
 cc2520_cmd_strobe(struct cc2520_private *priv, u8 cmd)
 {
        int ret;
-       u8 status = 0xff;
        struct spi_message msg;
        struct spi_transfer xfer = {
                .len = 0,
@@ -241,8 +240,6 @@ cc2520_cmd_strobe(struct cc2520_private *priv, u8 cmd)
                 priv->buf[0]);
 
        ret = spi_sync(priv->spi, &msg);
-       if (!ret)
-               status = priv->buf[0];
        dev_vdbg(&priv->spi->dev,
                 "buf[0] = %02x\n", priv->buf[0]);
        mutex_unlock(&priv->buffer_mutex);