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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