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authorVladimir Zapolskiy <vz@mleia.com>2015-07-30 00:44:20 +0300
committerDavid S. Miller <davem@davemloft.net>2015-07-31 00:16:45 +0300
commit2f51a9b8adbb6ad06689ec28342e89f40acb97fc (patch)
tree2c211d542b2aa3fcc49c1f7c1a6d896f6b3aafa1
parent951debb949f4adcfdd0cc6ca85c524243f3ead26 (diff)
downloadlinux-2f51a9b8adbb6ad06689ec28342e89f40acb97fc.tar.xz
net: phy: spi_ks8995: clean up ks8995_registers_read/write
The change removes redundant sysfs binary file boundary checks, since this task is already done on caller side in fs/sysfs/file.c Signed-off-by: Vladimir Zapolskiy <vz@mleia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/phy/spi_ks8995.c22
1 files changed, 0 insertions, 22 deletions
diff --git a/drivers/net/phy/spi_ks8995.c b/drivers/net/phy/spi_ks8995.c
index 46530159256b..f091d691cf6f 100644
--- a/drivers/net/phy/spi_ks8995.c
+++ b/drivers/net/phy/spi_ks8995.c
@@ -209,8 +209,6 @@ static int ks8995_reset(struct ks8995_switch *ks)
return ks8995_start(ks);
}
-/* ------------------------------------------------------------------------ */
-
static ssize_t ks8995_registers_read(struct file *filp, struct kobject *kobj,
struct bin_attribute *bin_attr, char *buf, loff_t off, size_t count)
{
@@ -220,19 +218,9 @@ static ssize_t ks8995_registers_read(struct file *filp, struct kobject *kobj,
dev = container_of(kobj, struct device, kobj);
ks8995 = dev_get_drvdata(dev);
- if (unlikely(off > ks8995->regs_attr.size))
- return 0;
-
- if ((off + count) > ks8995->regs_attr.size)
- count = ks8995->regs_attr.size - off;
-
- if (unlikely(!count))
- return count;
-
return ks8995_read(ks8995, buf, off, count);
}
-
static ssize_t ks8995_registers_write(struct file *filp, struct kobject *kobj,
struct bin_attribute *bin_attr, char *buf, loff_t off, size_t count)
{
@@ -242,19 +230,9 @@ static ssize_t ks8995_registers_write(struct file *filp, struct kobject *kobj,
dev = container_of(kobj, struct device, kobj);
ks8995 = dev_get_drvdata(dev);
- if (unlikely(off >= ks8995->regs_attr.size))
- return -EFBIG;
-
- if ((off + count) > ks8995->regs_attr.size)
- count = ks8995->regs_attr.size - off;
-
- if (unlikely(!count))
- return count;
-
return ks8995_write(ks8995, buf, off, count);
}
-
static const struct bin_attribute ks8995_registers_attr = {
.attr = {
.name = "registers",