drivers/video/backlight/aat2870_bl.c: fix error checking for backligh…

…t_device_register backlight_device_register() returns ERR_PTR() on error. Signed-off-by: Axel Lin <[email protected]> Cc: Richard Purdie <[email protected]> Cc: Jin Park <[email protected]> Cc: Samuel Ortiz <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
yshchan · Aug 4, 2011 · 4c4dd90 · 4c4dd90
1 parent 1646ec9
commit 4c4dd90
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/drivers/video/backlight/aat2870_bl.c b/drivers/video/backlight/aat2870_bl.c
@@ -158,10 +158,10 @@ static int aat2870_bl_probe(struct platform_device *pdev)
 	props.type = BACKLIGHT_RAW;
 	bd = backlight_device_register("aat2870-backlight", &pdev->dev,
 				       aat2870_bl, &aat2870_bl_ops, &props);
-	if (!bd) {
+	if (IS_ERR(bd)) {
 		dev_err(&pdev->dev,
 			"Failed allocate memory for backlight device\n");
-		ret = -ENOMEM;
+		ret = PTR_ERR(bd);
 		goto out_kfree;
 	}