Lines Matching refs:kern_buff
361 char *kern_buff;
367 kern_buff = kzalloc(XILINX_DPDMA_DEBUGFS_READ_MAX_SIZE, GFP_KERNEL);
368 if (!kern_buff) {
375 ret = dpdma_debugfs_reqs[testcase].read(kern_buff);
379 strscpy(kern_buff, "No testcase executed",
383 size = min(size, strlen(kern_buff));
384 if (copy_to_user(buf, kern_buff, size))
388 kfree(kern_buff);
400 char *kern_buff, *kern_buff_start;
412 kern_buff = kzalloc(size, GFP_KERNEL);
413 if (!kern_buff)
415 kern_buff_start = kern_buff;
417 ret = strncpy_from_user(kern_buff, buf, size);
422 testcase = strsep(&kern_buff, " ");
434 ret = dpdma_debugfs_reqs[i].write(kern_buff);