i2c: rcar: avoid unused ret variable

Fix smatch warning:
drivers/i2c/busses/i2c-rcar.c:628 \
  rcar_i2c_request_dma_chan() warn: unused return: ret = PTR_ERR()

Signed-off-by: Eugeniu Rosca <erosca@de.adit-jv.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>

diff --git a/drivers/i2c/busses/i2c-rcar.c b/drivers/i2c/busses/i2c-rcar.c
index 93c1a54..15d764a 100644 (file)
--- a/drivers/i2c/busses/i2c-rcar.c
+++ b/drivers/i2c/busses/i2c-rcar.c
@@ -625,9 +625,8 @@ static struct dma_chan *rcar_i2c_request_dma_chan(struct device *dev,
 
        chan = dma_request_chan(dev, chan_name);
        if (IS_ERR(chan)) {
-               ret = PTR_ERR(chan);
-               dev_dbg(dev, "request_channel failed for %s (%d)\n",
-                       chan_name, ret);
+               dev_dbg(dev, "request_channel failed for %s (%ld)\n",
+                       chan_name, PTR_ERR(chan));
                return chan;
        }