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authorAxel Lin <axel.lin@gmail.com>2011-08-03 16:21:16 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-08-03 14:25:22 -1000
commit4c4dd903e72507c853b8c2b04b22e0d0c721fd93 (patch)
tree79edda6696d37baaa559ee9517fbcffd8df05552
parent1646ec9db75e151b0479dbfaf972f741d0476ec7 (diff)
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>
-rw-r--r--drivers/video/backlight/aat2870_bl.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/video/backlight/aat2870_bl.c b/drivers/video/backlight/aat2870_bl.c
index 4952a617563..f13a3f7e2e8 100644
--- 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;
}