Re: [PATCH net-next] ieee802154: remove set but not used variable 'status'

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Hello.

On 23.10.19 09:06, YueHaibing wrote:
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@xxxxxxxxxx>
---
  drivers/net/ieee802154/cc2520.c | 3 ---
  1 file changed, 3 deletions(-)

diff --git a/drivers/net/ieee802154/cc2520.c b/drivers/net/ieee802154/cc2520.c
index 4350694..89c046b 100644
--- a/drivers/net/ieee802154/cc2520.c
+++ b/drivers/net/ieee802154/cc2520.c
@@ -218,7 +218,6 @@ 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,
@@ -236,8 +235,6 @@ 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);


Applied to wpan-next. Thanks!

regards
Stefan Schmidt



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