From: Mark Cave-Ayland Date: Fri, 12 Jan 2024 12:53:15 +0000 (+0000) Subject: esp.c: don't immediately raise INTR_BS if SCSI data needed in esp_do_dma() X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=fabcba4966f604e4b7f2e6cd21a8bf6e82834c83;p=qemu.git esp.c: don't immediately raise INTR_BS if SCSI data needed in esp_do_dma() In the case when more data is requested from the SCSI layer during a DMA data transfer from a device, don't immediately fall through to the TC check logic. Otherwise when TC is zero INTR_BS will be raised immediately rather than when the next set of SCSI data is ready. Signed-off-by: Mark Cave-Ayland Tested-by: Helge Deller Tested-by: Thomas Huth Message-Id: <20240112125420.514425-24-mark.cave-ayland@ilande.co.uk> Signed-off-by: Mark Cave-Ayland --- diff --git a/hw/scsi/esp.c b/hw/scsi/esp.c index d80a38daa0..1f9902aec0 100644 --- a/hw/scsi/esp.c +++ b/hw/scsi/esp.c @@ -745,6 +745,7 @@ static void esp_do_dma(ESPState *s) if (s->async_len == 0) { scsi_req_continue(s->current_req); + return; } if (esp_get_tc(s) == 0) {