i2c: sh_mobile: fix uninitialized var when debug is enabled

Wolfram Sang · Wolfram Sang · commit fe07adec730d · 2014-12-20T09:28:09.000+01:00
Signed-off-by: Wolfram Sang &lt;wsa+renesas@sang-engineering.com&gt;
Signed-off-by: Wolfram Sang &lt;wsa@the-dreams.de&gt;
diff --git a/drivers/i2c/busses/i2c-sh_mobile.c b/drivers/i2c/busses/i2c-sh_mobile.c
@@ -550,6 +550,7 @@ static struct dma_chan *sh_mobile_i2c_request_dma_chan(struct device *dev,
 
 	chan = dma_request_slave_channel_reason(dev, chan_name);
 	if (IS_ERR(chan)) {
+		ret = PTR_ERR(chan);
 		dev_dbg(dev, "request_channel failed for %s (%d)\n", chan_name, ret);
 		return chan;
 	}

Original file line number	Diff line number	Diff line change
`@@ -550,6 +550,7 @@ static struct dma_chan sh_mobile_i2c_request_dma_chan(struct device dev,`
`550`	`550`
`551`	`551`	`chan = dma_request_slave_channel_reason(dev, chan_name);`
`552`	`552`	`if (IS_ERR(chan)) {`
	`553`	`+ ret = PTR_ERR(chan);`
`553`	`554`	`dev_dbg(dev, "request_channel failed for %s (%d)\n", chan_name, ret);`
`554`	`555`	`return chan;`
`555`	`556`	`}`