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authorNikolay Balandin <nbalandin@dev.rtsoft.ru>2013-05-28 13:01:21 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-05-30 21:49:32 +0900
commit01fe7b43e7c83fe8fbf0b30b47f4ccd2f2058682 (patch)
treee78eb70bace621face561939ba2ee0cc5a715409 /drivers/misc/eeprom
parentf0ac23639c62add367309101d18ae2aa1d4a377c (diff)
downloadlinux-01fe7b43e7c83fe8fbf0b30b47f4ccd2f2058682.tar.bz2
drivers/misc: at25: convert to use devm_kzalloc
Use devm_kzalloc to make cleanup paths simpler Signed-off-by: Nikolay Balandin <nbalandin@dev.rtsoft.ru> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Reviewed-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/misc/eeprom')
-rw-r--r--drivers/misc/eeprom/at25.c25
1 files changed, 8 insertions, 17 deletions
diff --git a/drivers/misc/eeprom/at25.c b/drivers/misc/eeprom/at25.c
index ad8fd8e64937..840b3594a5ae 100644
--- a/drivers/misc/eeprom/at25.c
+++ b/drivers/misc/eeprom/at25.c
@@ -371,11 +371,10 @@ static int at25_probe(struct spi_device *spi)
if (np) {
err = at25_np_to_chip(&spi->dev, np, &chip);
if (err)
- goto fail;
+ return err;
} else {
dev_err(&spi->dev, "Error: no chip description\n");
- err = -ENODEV;
- goto fail;
+ return -ENODEV;
}
} else
chip = *(struct spi_eeprom *)spi->dev.platform_data;
@@ -389,8 +388,7 @@ static int at25_probe(struct spi_device *spi)
addrlen = 3;
else {
dev_dbg(&spi->dev, "unsupported address type\n");
- err = -EINVAL;
- goto fail;
+ return -EINVAL;
}
/* Ping the chip ... the status register is pretty portable,
@@ -400,14 +398,12 @@ static int at25_probe(struct spi_device *spi)
sr = spi_w8r8(spi, AT25_RDSR);
if (sr < 0 || sr & AT25_SR_nRDY) {
dev_dbg(&spi->dev, "rdsr --> %d (%02x)\n", sr, sr);
- err = -ENXIO;
- goto fail;
+ return -ENXIO;
}
- if (!(at25 = kzalloc(sizeof *at25, GFP_KERNEL))) {
- err = -ENOMEM;
- goto fail;
- }
+ at25 = devm_kzalloc(&spi->dev, sizeof(struct at25_data), GFP_KERNEL);
+ if (!at25)
+ return -ENOMEM;
mutex_init(&at25->lock);
at25->chip = chip;
@@ -439,7 +435,7 @@ static int at25_probe(struct spi_device *spi)
err = sysfs_create_bin_file(&spi->dev.kobj, &at25->bin);
if (err)
- goto fail;
+ return err;
if (chip.setup)
chip.setup(&at25->mem, chip.context);
@@ -453,10 +449,6 @@ static int at25_probe(struct spi_device *spi)
(chip.flags & EE_READONLY) ? " (readonly)" : "",
at25->chip.page_size);
return 0;
-fail:
- dev_dbg(&spi->dev, "probe err %d\n", err);
- kfree(at25);
- return err;
}
static int at25_remove(struct spi_device *spi)
@@ -465,7 +457,6 @@ static int at25_remove(struct spi_device *spi)
at25 = spi_get_drvdata(spi);
sysfs_remove_bin_file(&spi->dev.kobj, &at25->bin);
- kfree(at25);
return 0;
}