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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 <axel.lin@gmail.com>
Cc: Richard Purdie <rpurdie@rpsys.net>
Cc: Jin Park <jinyoungp@nvidia.com>
Cc: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Axel Lin 2011-08-03 16:21:16 -07:00 committed by Linus Torvalds
parent 1646ec9db7
commit 4c4dd903e7
1 changed files with 2 additions and 2 deletions
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4
drivers/video/backlight/aat2870_bl.c
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@ -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;
}