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SubjectRe: [PATCH v2]: New implementation of scsi_execute_async()
Joe Eykholt, on 07/15/2009 09:48 PM wrote:
>>> +int sg_copy(struct scatterlist *dst_sg,
>>> + struct scatterlist *src_sg, size_t copy_len,
>>> + enum km_type d_km_type, enum km_type s_km_type)
>>> +{
>>> + int res = 0;
>>> + size_t dst_len, dst_offs;
>>> +
>>> + if (copy_len == 0)
>>> + copy_len = 0x7FFFFFFF; /* copy all */
>>> +
>>> + dst_len = dst_sg->length;
>>> + dst_offs = dst_sg->offset;
>>> +
>>> + do {
>>> + copy_len -= __sg_copy_elem(&dst_sg, &dst_len, &dst_offs,
>>> + src_sg, copy_len, d_km_type, s_km_type);
>>> + if ((copy_len == 0) || (dst_sg == NULL))
>>> + goto out;
>>> +
>>> + src_sg = sg_next(src_sg);
>>> + } while (src_sg != NULL);
>>> +
>>> +out:
>>> + return res;
>>> +}
>
> The return value res is always 0 here, contrary to the description.
> Maybe it should be void.

Will be fixed, thanks

>>> +EXPORT_SYMBOL(sg_copy);
>>>
>> Boaz
>
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