Lines Matching defs:buf
196 ftp.buf = (void *) get_zeroed_page(GFP_KERNEL | GFP_DMA);
198 if (!ftp.buf)
220 free_page((unsigned long) ftp.buf);
230 * @buf: user-space buffer for read/written directory/file
231 * @len: size of @buf (read/dir) or number of bytes to write
238 char __user *buf, size_t len)
249 ftp.buf = (void *) __get_free_pages(GFP_KERNEL | GFP_DMA, order);
251 if (!ftp.buf)
261 copy_to_user(buf, ftp.buf, retlen))
267 if (!copy_from_user(ftp.buf, buf, ftp.len))
282 free_pages((unsigned long) ftp.buf, order);