The patch titled
Subject: backlight: tdo24m: use devm_ functions
has been added to the -mm tree. Its filename is
backlight-tdo24m-use-devm_-functions.patch
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------------------------------------------------------
From: Jingoo Han <jg1.han@xxxxxxxxxxx>
Subject: backlight: tdo24m: use devm_ functions
The devm_ functions allocate memory that is released when a driver
detaches. This patch uses devm_kzalloc of these functions.
Signed-off-by: Jingoo Han <jg1.han@xxxxxxxxxxx>
Cc: Eric Miao <eric.y.miao@xxxxxxxxx>
Cc: Richard Purdie <rpurdie@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/video/backlight/tdo24m.c | 21 ++++++---------------
1 file changed, 6 insertions(+), 15 deletions(-)
diff -puN drivers/video/backlight/tdo24m.c~backlight-tdo24m-use-devm_-functions drivers/video/backlight/tdo24m.c
--- a/drivers/video/backlight/tdo24m.c~backlight-tdo24m-use-devm_-functions
+++ a/drivers/video/backlight/tdo24m.c
@@ -349,7 +349,7 @@ static int __devinit tdo24m_probe(struct
if (err)
return err;
- lcd = kzalloc(sizeof(struct tdo24m), GFP_KERNEL);
+ lcd = devm_kzalloc(&spi->dev, sizeof(struct tdo24m), GFP_KERNEL);
if (!lcd)
return -ENOMEM;
@@ -357,11 +357,9 @@ static int __devinit tdo24m_probe(struct
lcd->power = FB_BLANK_POWERDOWN;
lcd->mode = MODE_VGA; /* default to VGA */
- lcd->buf = kmalloc(TDO24M_SPI_BUFF_SIZE, GFP_KERNEL);
- if (lcd->buf == NULL) {
- kfree(lcd);
+ lcd->buf = devm_kzalloc(&spi->dev, TDO24M_SPI_BUFF_SIZE, GFP_KERNEL);
+ if (lcd->buf == NULL)
return -ENOMEM;
- }
m = &lcd->msg;
x = &lcd->xfer;
@@ -383,15 +381,13 @@ static int __devinit tdo24m_probe(struct
break;
default:
dev_err(&spi->dev, "Unsupported model");
- goto out_free;
+ return -EINVAL;
}
lcd->lcd_dev = lcd_device_register("tdo24m", &spi->dev,
lcd, &tdo24m_ops);
- if (IS_ERR(lcd->lcd_dev)) {
- err = PTR_ERR(lcd->lcd_dev);
- goto out_free;
- }
+ if (IS_ERR(lcd->lcd_dev))
+ return PTR_ERR(lcd->lcd_dev);
dev_set_drvdata(&spi->dev, lcd);
err = tdo24m_power(lcd, FB_BLANK_UNBLANK);
@@ -402,9 +398,6 @@ static int __devinit tdo24m_probe(struct
out_unregister:
lcd_device_unregister(lcd->lcd_dev);
-out_free:
- kfree(lcd->buf);
- kfree(lcd);
return err;
}
@@ -414,8 +407,6 @@ static int __devexit tdo24m_remove(struc
tdo24m_power(lcd, FB_BLANK_POWERDOWN);
lcd_device_unregister(lcd->lcd_dev);
- kfree(lcd->buf);
- kfree(lcd);
return 0;
}
_
Subject: Subject: backlight: tdo24m: use devm_ functions
Patches currently in -mm which might be from jg1.han@xxxxxxxxxxx are
origin.patch
linux-next.patch
backlight-adp8860-use-kstrtoul.patch
backlight-adp8870-use-kstrtoul.patch
backlight-adp5520-use-kstrtoul.patch
backlight-use-pr_warn-and-pr_debug-instead-of-printk.patch
backlight-use-pr_warn-and-pr_debug-instead-of-printk-fix.patch
backlight-apple_bl-use-pr_debug-pr_err-instead-of-printk.patch
backlight-apple_bl-use-pr_debug-pr_err-instead-of-printk-fix.patch
backlight-cr_bllcd-use-pr_err-pr_info-instead-of-printk.patch
backlight-cr_bllcd-use-pr_err-pr_info-instead-of-printk-fix.patch
backlight-generic_bl-use-pr_info-instead-of-printk.patch
backlight-generic_bl-use-pr_info-instead-of-printk-fix.patch
backlight-jornada720-use-pr_err-pr_info-instead-of-printk.patch
backlight-jornada720-use-pr_err-pr_info-instead-of-printk-fix.patch
backlight-omap1-use-pr_info-instead-of-printk.patch
backlight-omap1-use-pr_info-instead-of-printk-fix.patch
backlight-progear-use-pr_err-instead-of-printk.patch
backlight-progear-use-pr_err-instead-of-printk-fix.patch
drivers-video-backlight-l4f00242t03c-use-pr_fmt.patch
backlight-initialize-struct-backlight_properties-properly.patch
backlight-adp8860-use-devm_-functions.patch
backlight-adp8870-use-devm_-functions.patch
backlight-ams369fg06-use-devm_-functions.patch
backlight-corgi_lcd-use-devm_-functions.patch
backlight-ili9320-use-devm_-functions.patch
backlight-l4f00242t03-use-devm_-functions.patch
backlight-ld9040-use-devm_-functions.patch
backlight-lms283gf05-use-devm_-functions.patch
backlight-ltv350qv-use-devm_-functions.patch
backlight-s6e63m0-use-devm_-functions.patch
backlight-tdo24m-use-devm_-functions.patch
backlight-tosa_bl-use-devm_-functions.patch
backlight-tosa_lcd-use-devm_-functions.patch
--
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