# \[patch\] backlight/ld9040.c: testing the wrong variable in

- From: Dan Carpenter \<hidden\>
- Date: 2011-03-29 03:19:09 
- List: linux-fbdev
- Page: https://ratatoskr.run/linux-fbdev/2011/03/13149273
- Thread: https://ratatoskr.run/linux-fbdev/2011/03/13149273/t.md

```text
We should be testing "bd" here instead of "ld".  It's a copy and
paste bug.

Signed-off-by: Dan Carpenter <redacted>

diff --git a/drivers/video/backlight/ld9040.c b/drivers/video/backlight/ld9040.c
index 7281b25..9e81d69 100644
--- a/drivers/video/backlight/ld9040.c
+++ b/drivers/video/backlight/ld9040.c
@@ -701,8 +701,8 @@ static int ld9040_probe(struct spi_device *spi)
 
 	bd = backlight_device_register("ld9040-bl", &spi->dev,
 		lcd, &ld9040_backlight_ops, NULL);
-	if (IS_ERR(ld)) {
-		ret = PTR_ERR(ld);
+	if (IS_ERR(bd)) {
+		ret = PTR_ERR(bd);
 		goto out_free_lcd;
 	}
 
```