Lines Matching refs:kern_buff
363 char *kern_buff;
369 kern_buff = kzalloc(XILINX_DPDMA_DEBUGFS_READ_MAX_SIZE, GFP_KERNEL);
370 if (!kern_buff) {
377 ret = dpdma_debugfs_reqs[testcase].read(kern_buff);
381 strlcpy(kern_buff, "No testcase executed",
385 size = min(size, strlen(kern_buff));
386 if (copy_to_user(buf, kern_buff, size))
390 kfree(kern_buff);
402 char *kern_buff, *kern_buff_start;
414 kern_buff = kzalloc(size, GFP_KERNEL);
415 if (!kern_buff)
417 kern_buff_start = kern_buff;
419 ret = strncpy_from_user(kern_buff, buf, size);
424 testcase = strsep(&kern_buff, " ");
436 ret = dpdma_debugfs_reqs[i].write(kern_buff);