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rtc: ds1305: clean up ds1305_nvram_read()/ds1305_nvram_write()
The change removes redundant sysfs binary file boundary checks, since this task is already done on caller size in fs/sysfs/file.c Signed-off-by: Vladimir Zapolskiy <vz@mleia.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
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@ -538,15 +538,6 @@ ds1305_nvram_read(struct file *filp, struct kobject *kobj,
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spi = container_of(kobj, struct spi_device, dev.kobj);
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if (unlikely(off >= DS1305_NVRAM_LEN))
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return 0;
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if (count >= DS1305_NVRAM_LEN)
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count = DS1305_NVRAM_LEN;
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if ((off + count) > DS1305_NVRAM_LEN)
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count = DS1305_NVRAM_LEN - off;
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if (unlikely(!count))
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return count;
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addr = DS1305_NVRAM + off;
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msg_init(&m, x, &addr, count, NULL, buf);
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@ -569,15 +560,6 @@ ds1305_nvram_write(struct file *filp, struct kobject *kobj,
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spi = container_of(kobj, struct spi_device, dev.kobj);
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if (unlikely(off >= DS1305_NVRAM_LEN))
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return -EFBIG;
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if (count >= DS1305_NVRAM_LEN)
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count = DS1305_NVRAM_LEN;
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if ((off + count) > DS1305_NVRAM_LEN)
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count = DS1305_NVRAM_LEN - off;
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if (unlikely(!count))
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return count;
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addr = (DS1305_WRITE | DS1305_NVRAM) + off;
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msg_init(&m, x, &addr, count, buf, NULL);
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