forked from Minki/linux
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>
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@ -209,8 +209,6 @@ static int ks8995_reset(struct ks8995_switch *ks)
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return ks8995_start(ks);
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}
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/* ------------------------------------------------------------------------ */
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static ssize_t ks8995_registers_read(struct file *filp, struct kobject *kobj,
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struct bin_attribute *bin_attr, char *buf, loff_t off, size_t count)
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{
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@ -220,19 +218,9 @@ static ssize_t ks8995_registers_read(struct file *filp, struct kobject *kobj,
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dev = container_of(kobj, struct device, kobj);
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ks8995 = dev_get_drvdata(dev);
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if (unlikely(off > ks8995->regs_attr.size))
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return 0;
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if ((off + count) > ks8995->regs_attr.size)
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count = ks8995->regs_attr.size - off;
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if (unlikely(!count))
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return count;
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return ks8995_read(ks8995, buf, off, count);
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}
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static ssize_t ks8995_registers_write(struct file *filp, struct kobject *kobj,
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struct bin_attribute *bin_attr, char *buf, loff_t off, size_t count)
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{
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@ -242,19 +230,9 @@ static ssize_t ks8995_registers_write(struct file *filp, struct kobject *kobj,
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dev = container_of(kobj, struct device, kobj);
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ks8995 = dev_get_drvdata(dev);
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if (unlikely(off >= ks8995->regs_attr.size))
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return -EFBIG;
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if ((off + count) > ks8995->regs_attr.size)
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count = ks8995->regs_attr.size - off;
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if (unlikely(!count))
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return count;
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return ks8995_write(ks8995, buf, off, count);
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}
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static const struct bin_attribute ks8995_registers_attr = {
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.attr = {
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.name = "registers",
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