static void sbefifo_collect_async_ffdc()

in fsi-sbefifo.c [637:676]

• 38 lines of code
• 5 McCabe index (conditional complexity)

static void sbefifo_collect_async_ffdc(struct sbefifo *sbefifo)
{
	struct device *dev = &sbefifo->fsi_dev->dev;
        struct iov_iter ffdc_iter;
        struct kvec ffdc_iov;
	__be32 *ffdc;
	size_t ffdc_sz;
	__be32 cmd[2];
	int rc;

	sbefifo->async_ffdc = false;
	ffdc = vmalloc(SBEFIFO_MAX_FFDC_SIZE);
	if (!ffdc) {
		dev_err(dev, "Failed to allocate SBE FFDC buffer\n");
		return;
	}
        ffdc_iov.iov_base = ffdc;
	ffdc_iov.iov_len = SBEFIFO_MAX_FFDC_SIZE;
        iov_iter_kvec(&ffdc_iter, WRITE, &ffdc_iov, 1, SBEFIFO_MAX_FFDC_SIZE);
	cmd[0] = cpu_to_be32(2);
	cmd[1] = cpu_to_be32(SBEFIFO_CMD_GET_SBE_FFDC);
	rc = sbefifo_do_command(sbefifo, cmd, 2, &ffdc_iter);
	if (rc != 0) {
		dev_err(dev, "Error %d retrieving SBE FFDC\n", rc);
		goto bail;
	}
	ffdc_sz = SBEFIFO_MAX_FFDC_SIZE - iov_iter_count(&ffdc_iter);
	ffdc_sz /= sizeof(__be32);
	rc = sbefifo_parse_status(dev, SBEFIFO_CMD_GET_SBE_FFDC, ffdc,
				  ffdc_sz, &ffdc_sz);
	if (rc != 0) {
		dev_err(dev, "Error %d decoding SBE FFDC\n", rc);
		goto bail;
	}
	if (ffdc_sz > 0)
		sbefifo_dump_ffdc(dev, ffdc, ffdc_sz, true);
 bail:
	vfree(ffdc);

}