len -= this_len;
obj += this_len;
this_len = min_t(unsigned int, len, subbuf->page_len);
- if (this_len)
- _copy_from_pages(obj, subbuf->pages, subbuf->page_base, this_len);
+ _copy_from_pages(obj, subbuf->pages, subbuf->page_base, this_len);
len -= this_len;
obj += this_len;
this_len = min_t(unsigned int, len, subbuf->tail[0].iov_len);
len -= this_len;
obj += this_len;
this_len = min_t(unsigned int, len, subbuf->page_len);
- if (this_len)
- _copy_to_pages(subbuf->pages, subbuf->page_base, obj, this_len);
+ _copy_to_pages(subbuf->pages, subbuf->page_base, obj, this_len);
len -= this_len;
obj += this_len;
this_len = min_t(unsigned int, len, subbuf->tail[0].iov_len);