From: Soumyajyotii Ssarkar <soumyajyotisarkar23@gmail.com>

Set waiting state and return after scsi_req_continue() to prevent
re entrancy when DMA transfer completes.

Signed-off-by: Soumyajyotii Ssarkar <soumyajyotisarkar23@gmail.com>
Reviewed-by: Helge Deller <deller@gmx.de>
Signed-off-by: Helge Deller <deller@gmx.de>
---
 hw/scsi/ncr53c710.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/hw/scsi/ncr53c710.c b/hw/scsi/ncr53c710.c
index 0b7734a129..e17d1f3fb8 100644
--- a/hw/scsi/ncr53c710.c
+++ b/hw/scsi/ncr53c710.c
@@ -718,7 +718,9 @@ static void ncr710_do_dma(NCR710State *s, int out)
     if (s->current->dma_len == 0) {
         s->current->dma_buf = NULL;
         s->current->pending = 0;
+        s->waiting = NCR710_WAIT_DMA;
         scsi_req_continue(s->current->req);
+        return;
     } else {
         s->current->dma_buf += count;
         s->waiting = NCR710_WAIT_NONE;
-- 
2.52.0