On 18/6/25 08:12, Mark Cave-Ayland wrote:
In the cases where mixed DMA/non-DMA transfers are used or no data is available, it is possible to for the calculated transfer length to be
"to ~for~ the..."
zero. Only call the dma_memory_read function where the transfer length is non-zero to avoid invoking the DMA engine for a zero length transfer which can have side-effects (along with generating additional tracing noise). Signed-off-by: Mark Cave-Ayland <mark.cave-ayl...@ilande.co.uk> --- hw/scsi/esp.c | 20 +++++++++++++------- 1 file changed, 13 insertions(+), 7 deletions(-)
Reviewed-by: Philippe Mathieu-Daudé <phi...@linaro.org>
