staging: speakup: Use kstrtoul_from_user
This patch replaces the code for getting an unsigned long from a userspace buffer by a simple call to kstroul_from_user. This makes it easier to read and less error prone. Kernel Version: staging of 20110606 Signed-off-by: Peter Huewe <peterhuewe@gmx.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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@ -273,15 +273,8 @@ static ssize_t softsynth_write(struct file *fp, const char *buf, size_t count,
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{
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unsigned long supplied_index = 0;
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int converted;
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char indbuf[5];
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if (count >= sizeof(indbuf))
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return -EINVAL;
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if (copy_from_user(indbuf, buf, count))
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return -EFAULT;
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indbuf[count] = '\0';
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converted = strict_strtoul(indbuf, 0, &supplied_index);
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converted = kstrtoul_from_user(buf, count, 0, &supplied_index);
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if (converted < 0)
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return converted;
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