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authorAxel Lin <axel.lin@gmail.com>2011-07-25 17:11:58 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-07-25 20:57:07 -0700
commite2e7da9bccd77ef6793b865c1b78c7e519ccc562 (patch)
tree1d8a4231b5020778a14784d707c0033bace26235 /drivers/video/backlight
parentccb6108f5b0b541d3eb332c3a73e645c0f84278e (diff)
drivers/video/backlight/ld9040.c: small fixes
- Fix checking of wrong return value for backlight_device_register() - Properly free allocated resources in ld9040_probe() error path and ld9040_remove(). Signed-off-by: Axel Lin <axel.lin@gmail.com> Cc: Donghwa Lee <dh09.lee@samsung.com> Cc: Richard Purdie <rpurdie@rpsys.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/video/backlight')
-rw-r--r--drivers/video/backlight/ld9040.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/video/backlight/ld9040.c b/drivers/video/backlight/ld9040.c
index 7281b2506a6..62bcde3c97f 100644
--- a/drivers/video/backlight/ld9040.c
+++ b/drivers/video/backlight/ld9040.c
@@ -701,9 +701,9 @@ 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);
- goto out_free_lcd;
+ if (IS_ERR(bd)) {
+ ret = PTR_ERR(bd);
+ goto out_unregister_lcd;
}
bd->props.max_brightness = MAX_BRIGHTNESS;
@@ -731,6 +731,8 @@ static int ld9040_probe(struct spi_device *spi)
dev_info(&spi->dev, "ld9040 panel driver has been probed.\n");
return 0;
+out_unregister_lcd:
+ lcd_device_unregister(lcd->ld);
out_free_lcd:
kfree(lcd);
return ret;
@@ -741,6 +743,7 @@ static int __devexit ld9040_remove(struct spi_device *spi)
struct ld9040 *lcd = dev_get_drvdata(&spi->dev);
ld9040_power(lcd, FB_BLANK_POWERDOWN);
+ backlight_device_unregister(lcd->bd);
lcd_device_unregister(lcd->ld);
kfree(lcd);