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net: phy: spi_ks8995: Introduce the use of devm_kzalloc 

This patch introduces the use of devm_kzalloc and does away with the
kfrees in the probe and remove functions. Also, a label is removed.

Signed-off-by: Himangi Saraogi <himangi774@gmail.com>
Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Himangi Saraogi 2014-08-03 13:39:43 +05:30 committed by David S. Miller
parent 5fa766946b
commit b32a8b6410
1 changed files with 8 additions and 18 deletions
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26
drivers/net/phy/spi_ks8995.c
View File

@ -277,7 +277,7 @@ static int ks8995_probe(struct spi_device *spi)
/* Chip description */
pdata = spi->dev.platform_data;
ks = kzalloc(sizeof(*ks), GFP_KERNEL);
ks = devm_kzalloc(&spi->dev, sizeof(*ks), GFP_KERNEL);
if (!ks)
return -ENOMEM;
@ -291,14 +291,14 @@ static int ks8995_probe(struct spi_device *spi)
err = spi_setup(spi);
if (err) {
dev_err(&spi->dev, "spi_setup failed, err=%d\n", err);
goto err_drvdata;
return err;
}
err = ks8995_read(ks, ids, KS8995_REG_ID0, sizeof(ids));
if (err < 0) {
dev_err(&spi->dev, "unable to read id registers, err=%d\n",
err);
goto err_drvdata;
return err;
}
switch (ids[0]) {
@ -306,8 +306,7 @@ static int ks8995_probe(struct spi_device *spi)
break;
default:
dev_err(&spi->dev, "unknown family id:%02x\n", ids[0]);
err = -ENODEV;
goto err_drvdata;
return -ENODEV;
}
memcpy(&ks->regs_attr, &ks8995_registers_attr, sizeof(ks->regs_attr));
@ -320,24 +319,24 @@ static int ks8995_probe(struct spi_device *spi)
dev_err(&spi->dev,
"unable to read chip id register, err=%d\n",
err);
goto err_drvdata;
return err;
}
if ((val & 0x80) == 0) {
dev_err(&spi->dev, "unknown chip:%02x,0\n", ids[1]);
goto err_drvdata;
return err;
}
ks->regs_attr.size = KSZ8864_REGS_SIZE;
}
err = ks8995_reset(ks);
if (err)
goto err_drvdata;
return err;
err = sysfs_create_bin_file(&spi->dev.kobj, &ks->regs_attr);
if (err) {
dev_err(&spi->dev, "unable to create sysfs file, err=%d\n",
err);
goto err_drvdata;
return err;
}
if (get_chip_id(ids[1]) == CHIPID_M) {
@ -350,21 +349,12 @@ static int ks8995_probe(struct spi_device *spi)
}
return 0;
err_drvdata:
kfree(ks);
return err;
}
static int ks8995_remove(struct spi_device *spi)
{
struct ks8995_data *ks8995;
ks8995 = spi_get_drvdata(spi);
sysfs_remove_bin_file(&spi->dev.kobj, &ks8995_registers_attr);
kfree(ks8995);
return 0;
}