drivers/video/backlight/aat2870_bl.c: fix error checking for backlight_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]>
This commit is contained in:
Axel Lin 2011-08-03 16:21:16 -07:00 • committed by Linus Torvalds
commit 4c4dd903e7

View file

@ -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;
}